exercise sigma bonding question content area sigma bonds can form between different types of orbitals. the main criterion for sigma bond formation is that the two bonded atoms have valence orbitals with lobes that point directly at each other along the line between the two nuclei. the images below show the shapes of two orbitals on adjacent atoms. choose all of the combinations that will lead to formation of a sigma bond. (select all that apply.)
Answers
The none of these combination provided in the option can form sigma bond since its bonded atoms have valence orbitals with lobes that point directly at each other along the line between the two nuclei.
Which orbitals constitute the sigma bond?A covalent relationship known as a sigma bond is established when atomic orbitals and/or hybrid orbitals overlap one another on the bond axis (i.e., along a line connected the two bonded atoms). The overlap of two 1s orbitals, one from each hydrogen atom, leads to the formation of the sigma bond in a hydrogen molecule (shown in red).
Can two sp3 orbitals form sigma bonds?These sp3 hybrid orbitals serve as the foundation for all bonding. The overlap of the sp3 hybrid orbitals with the hydrogen 1s atomic orbitals leads to the creation of the C-H and O-H sigma bonds. The sp3 hybrid orbitals on every atom overlap to create the CC and CO sigma bonds.
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Exercise sigma bonding question content area sigma bonds can form between different types of orbitals. the main criterion for sigma bond formation is that the two bonded atoms have valence orbitals with lobes that point directly at each other along the line between the two nuclei. the images below show the shapes of two orbitals on adjacent atoms. choose all of the combinations that will lead to formation of a sigma bond. (select all that apply.)
Options are marked to be A,B,C,D,E,F based on figure.
Related Questions
The following sequence is the coding DNA strand of the collagen gene: 5' ATG GCG TTC GAA 3' What is the sequence of the corresponding mRNA?
a. 3' ATG GCG TTC GAA 5'
b. 5' AUG GCG UUC CUU 3'
c. 5' AUG GCG UUC GAA 3'
d. 5' UTG GCG TTC GUU 3'
Answers
The sequence of the corresponding mRNA is 5' AUG GCG UUC GAA 3' (Option C)
During transcription, the enzyme RNA polymerase recognizes the start codon (ATG in this case) on the DNA template strand and creates a complementary RNA molecule by adding nucleotides that are complementary to the DNA strand. The process of transcription is called transcription, and the enzyme responsible for it is RNA polymerase.
The mRNA sequence is formed by replacing thymine (T) with uracil (U) and then reading the template strand in the 5' to 3' direction.
In this case, the DNA sequence is 5' ATG GCG TTC GAA 3', and the corresponding mRNA sequence would be 5' AUG GCG UUC GAA 3', which is option C.
Option A is the same as the DNA sequence, but the direction is wrong. Option B and D are not a possible mRNA sequence because they contain errors in the base pairing or in the start codon.
The anatomical term for the central-most anterior region of the pelvis is ______
Answers
The anatomical term for the central-most anterior region of the pelvis is Pubic.
The pubic symphysis is a joint located between your left and right pelvic bones. It allows your pelvis to absorb some of your upper body's weight before it gets to your lower body. It also aids in the separation of your pelvic bones in preparation for vaginal birthing.
The pubic symphysis connects the left and right pelvic bones. Unlike elbow and knee joints, your pubic symphysis does not move significantly. Its primary function is to keep the right and left pelvic bones in place. Nonetheless, it makes little motions that assist your pelvis in absorbing weight from your upper body. When you're pregnant, your joint movements become even more pronounced. During pregnancy, the joint becomes more flexible, allowing your pelvic bones to stretch sufficiently.
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What factors most influence your food choices for meals and snacks? How important are these in your food choices?
Consider personal preferences, physical health, family history, nutritional needs
Answers
The factors most influence your food choices for meals and snacks: Nutrition, Hunger, Appetite, Personal Taste, Availability, Time & Convenience, Geography/Climate/Environment, Family & Culture.
What is food choice?Food selection refers to how people decide what to buy and consume. Food choice is influenced by a complex set of factors that vary from person to person and are influenced by culture, heritage, and upbringing. We might look for price if we're on a tight budget, or allergen information if we have a food allergy. The mind will process feelings of hunger or satiety and work on stimulating appetite, which in turn influences food choice based on an individual's last meal, activity, mood, and other similar factors. Food's palatability will also influence its consumption. This refers to the taste, smell, and appearance of the food.
Here,
Nutrition, Hunger, Appetite, Personal Taste, Availability, Time & Convenience, Geography/Climate/Environment, Family & Culture are the factors that most influence your food choices for meals and snacks.
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select the steps in the process of bicarbonate ion production in the pancreas. select all that apply.
Answers
By following the stages in the right order, you may understand how the pancreas produces bicarbonate ions: Carbonic acid dissociates into H+ and HCO3-.
Digestive enzymes and bicarbonates are two secretions found in pancreatic juice that are crucial for healthy digestion. Exocrine acinar cells produce and secrete the enzyme, whereas the epithelial cells lining the tiny pancreatic ducts secrete bicarbonate. The pancreas secretes bicarbonate, which the small intestine uses to neutralize chyme.
In order for the digestive enzymes to function, the mixture has to be neutralized. An enzyme- and bicarbonate-rich fluid is secreted by the pancreas. Alkaline secretions are crucial for activating enzymes and buffering acidic chyme as it enters the duodenum. Ingestion, propulsion, mechanical digestion, chemical digestion, absorption, and feces are all examples of digestive processes.
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anxiety, shortness of breath, tachypnea, jvd (jugular venous distension), and tracheal deviation towards one side describes which of the following? . Aortic aneurism
B. Asthma exacerbation
C. Pulmonary embolism
D. Tension pneumothorax - Correct Answer
Answers
Anxiety, shortness of breath, tachypnea, JVD (jugular venous distension), and tracheal deviation towards one side describes tension pneumothorax.
A pneumothorax occurs when air gathers inside the chest between the parietal and visceral pleura, causes the lung to collapse. Although it is inside the thoracic cavity, the air is outside the lung. This puts strain on the lung and may cause it to collapse, shifting the structures close by in the process. Pneumothoraces can either be traumatic or not. Uncommon tension pneumothorax has a malignant course and has the potential to be fatal if addressed. When air becomes trapped in the pleural space under positive pressure, it causes mediastinal structures to shift and compromises cardiac function, resulting in a severe condition.
Patients with pneumothoraxes may or may not exhibit symptoms. Many patients may not exhibit any symptoms when they have a minor pneumothorax. However, tension pneumothorax usually has symptoms and has more striking characteristics than spontaneous pneumothorax. It can also occasionally reveal itself subtly.
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Which of the following cellular organelles is the site where sugar groups are added onto formed proteins in the final processing of surface glycoproteins?
A. ribosomes
B. Golgi apparatus
C. centromere
D. nucleus
E. lysosomes
Answers
B. Golgi apparatus is the cellular organelles site where sugar groups are included onto formed proteins in the final processing of surface glycoproteins.
The oolgi apparatus, also known as the Golgi complex or simply the Golgi, is a collection of flattened, stacked membranes that is found in most eukaryotic cells. It is responsible for sorting and modifying proteins and lipids that have been synthesized in the endoplasmic reticulum (ER) and directing them to their final destinations, such as the plasma membrane, lysosomes, or secretory vesicles.
Thus, it is the golgi apparatus is the cellular organelles site where in the final processing of surface glycoproteins sugar groups are included onto formed proteins.
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Which one of the following is least likely to cause a species to become
extinct?
A new disease
B new predator
C new food source
Answers
Answer:
C) new food source
Explanation:
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What views and beliefs were held, regarding the shape of the earth, in ancient times?
Answers
Planes frequently travel around the planet, and no one has ever claimed to have discovered the 'edge' of the Earth.
The early Greeks, Sumerians, Babylonians, Egyptians, and Vikings all thought the Earth was a flat disc or plane surrounded by sea. This was based on what they observed around them.The ancient Chinese thought the Earth was a flat square surrounded by spherical egg-shaped sky. This was due to their belief in a heaven above the Earth.Herodotus, an ancient Greek writer, described the findings of the Phoenicians, a group of explorers and traders. They discovered that the Sun was to their right rather than above them when sailing across Africa. If the Earth is flat, the Sun should always be directly above you.Based on his views of ships with towering masts moving over the horizon, Aristotle (384-322 BC) believed the Earth was a spherical.Aristotle noticed that as ships went beyond the horizon, the hull, or bottom half of a ship, truly vanished from view. The further it proceeded, the less of the ship could be seen - this could only be a bad thing happen if the Earth was spherical.Hence, Observations of the Earth's shadow on the Moon were used to prove that the Earth was spherical.
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Which of the following properties of life was the Viking Labeled Release experiment designed to detect?A HomeostasisB. GrowthC.Obtain and use energyD.Sense and Respond to SumadiE Reproduction
Answers
The correct option is C ; Obtain and use energy , Physiology is the scientific study of the activities and mechanisms of biological systems.
Physiology is the study of how animals, organ systems, different organs, single cells, and biomolecules accomplish chemical and physical activities in living systems.
In terms of chemistry and physics, it involves everything from how molecules act in cells to how organ systems work together. Viking 1 was a Mars-bound interplanetary mission that included an orbiter and a lander. The lander was scheduled to conduct experiments on Martian soil to determine whether or not life existed on Mars. Soil samples were examined for metabolic remnants of former life on the planet.
As a result, the right answer is C, get and use energy.
In this experiment, homeostasis was not measured.
As a result, option A is inaccurate.
Growth cannot be measured on Mars since there is no life.
As a result, option B is inaccurate.
Living things respond to and detect stimuli, yet Mars is devoid of life.
As a result, option D is inaccurate.
On a lifeless world, reproduction cannot be quantified.
As a result, option E is erroneous.
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Six white-tailed deer and six sika deer were enclosed in a pasture for observation during an eight-year study in central Texas. White-tailed deer are a native species to central Texas, while sika deer are a nonnative species to central Texas. White-tailed deer feed on flowering plants and the tips of trees and shrubs but do not eat grass. Sika deer feed on flowering plants, the tips of trees and shrubs, and grass. All other grazing animals were kept out of the pasture during the study. The number of sika deer more than doubled after the eight years, while the population of white-tailed deer decreased by 50 percent. Which of the following statements best supports the results from the study?
Answers
The sika deer out competed the white-tailed deer in consuming flowering plants and shrubs.
This statement best supports the results from the study.
In an ecosystem, organisms need homes and resources like nutrients to develop, reproduce, and survive. In a habitat, there are scarce resources for which all organisms contend. An ecosystem supports a wide range of species and holds thousands of them.
Competition can be divided into two primary categories: intraspecific and interspecific. While intraspecific competition refers to competition inside a species, interspecific competition is the competition for resources among individuals of different species. Similar species fight for resources and have similar needs.
When two species fight for the same resources, interspecific competition results in one of two outcomes: either the weaker species becomes extinct or occupies a different niche.
Specialists are what?
Animals classified as specialists are those that efficiently utilise their resources and have few rivals as a result.
Except for option (b), none of the other possibilities are true.
White-tailed deer are not specialists since their diets are nearly identical to that of sika deer.
The white-tailed deer population will be impacted if parasites had an impact on the sika deer population.
All animals will be impacted if local climate changes have an impact on plant resources.
Therefore, choice b is the right choice.
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Six white-tailed deer and six sika deer were enclosed in a pasture for observation during an eight-year study in central Texas. White-tailed deer are a native species to central Texas, while sika deer are a nonnative species to central Texas. White-tailed deer feed on flowering plants and the tips of trees and shrubs but do not eat grass. Sika deer feed on flowering plants, the tips of trees and shrubs, and grass. All other grazing animals were kept out of the pasture during the study. The number of sika deer more than doubled after the eight years, while the population of white-tailed deer decreased by 50 percent.
a. The sika deer are generalists, while the white-tailed deer are specialists.
b. The sika deer out competed the white-tailed deer in consuming flowering plants and shrubs.
c. Parasites infected the sika deer population but did not infect the white-tailed deer population.
d. Change in the local climate reduced the availability of food resources for the white-tailed deer population
in her studies of chimpanzee behavior, jane goodall collected both qualitative and quantitative data. what of the example of quantitative data?
Answers
Mothers and their infants typically nap for two to three hours each afternoon is an example of quantitative data that Jane Goodall collected in her studies of chimpanzee behavior.
Jane Goodall's groundbreaking research on chimpanzees revealed that mothers and their infants typically nap for two to three hours each afternoon, providing a glimpse into the quantitative data of their behavior.
With this insight, Goodall was able to gain a better understanding of the social dynamics of these primates, providing invaluable insight into their behavior and habits.
Quantitative data can be used to compare and contrast different variables, to analyze patterns in data sets, and to make predictions based on the data analysis.
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The spinal cord is the only structure in the central nervous system necessary for which of the following body functions?Coordinated muscle movementTemperature regulationSimple reflexRespiration
Answers
Answer: Simple Reflex
the study of life is called . because life takes on such a wide array of forms, scientists have devised a hierarchy of levels of biological organization. the basic units of matter are ; when they combine, they form . various molecules group together to form , the basic units of all living things. some organisms, such as bacteria, are , while others, such as humans, are . among organisms, groups of with similar functions make up . groups of combine to form , which work together to form . these each carry out specific functions within an individual.
Answers
Biology,atoms,molecules,compounds,cells,unicellular,multicellular,cells,tissues,organs,body systems
Biology is the study of living organisms. Scientists or specifically biologists studied the hierarchies of life forms to come to conclusions of classification. The basic units of matter are atoms which can combine to form molecules. Molecules result in compounds. The fundamental unit of life are cells. Cells are formed with different compounds. Cells combine to form tissues. Tissues combine to form organs. The organs combine to form organ systems. There are two kinds of organisms unicellular with one cell. Multiple cells form multicellular organism. Multicellular organisms have organ systems or tissue systems in them. Thus each tissue and organ carry out specific function, allowing an individual to exist
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Two traits segregate independently and follow the rules for independent assortment. This indicates that these traits are
A. Found on separate chromosomes
B. Located close together on the same chromosome
C. Inherited together more often than is typical
D. Evolutionary is favourable for the organism.
Answers
This indicates that these traits are found on separate chromosomes
According to Mendel's law of independent assortment, during the inheritance of two or more characters, the assortment of individual traits takes place independently during gamete formation. Thus each allele of a pair segregates independently and each gamete formed contains one allele of that trait.
The separation of characteristics occurs independently during gamete formation. German-speaking parents gave birth to scientist Gregor Johann Mendel. He is credited with founding the field of modern genetics.
Mendel chose the pea plant for his experiment and took into account seven traits of pea plants. The seven traits include seed form and colour, plant height, flower position and colour, pod shape and colour, and pod colour. Three principles of inheritance were discovered by Mendel as a result of his experiment.There were three of them: the "Law of Dominance," "Law of Uniformity," and "Laws of Segregation and Independent Assortment." According to the "Law of Dominance" and uniformity, some alleles are dominant and others are recessive; if an organism carries at least one dominant allele, the dominant allele's effects will be seen. According to the "law of segregation," each gene's alleles segregate during gamete production to produce gametes that have just one copy of each gene. According to the "Law of Independent Assortment," genes for various qualities might segregate on their own during the development of gametes. Thus, one allele of that trait is present in the gamete that is created. The features are therefore located on different chromosomes, according to the law of independent assortment.
So, Option A is correct.
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the ____ of the hamster does not have lymphatic drainage and is often used for studies of carcinogenic agent testing.
Answers
The hamster's cheek pouches, which are frequently employed in studies of carcinogenic chemical testing because they lack lymphatic drainage, are utilised.
What does lymphatic drainage do?Reduces edema brought by by illnesses or medical treatments that restrict your lymphatic system. Another name is lymphatic drainage massage. An location with functional lymph veins is the target of a lymphatic drainage massage, which gently manipulates certain body areas to promote lymph flow there. It is soothing and therapeutic, and it is not painful. The lymphatic system is located very near the skin, or the body's surface. Your massage will also most gently move & stimulate the skin in order to increase its flow.
How can I do lymphatic drainage at home?Lanini advises starting the drainage by pressing on the area immediately below your collarbones while you're standing in front of the mirror. Then, using your right hand and vice versa, press the armpit three times. Clients are urged by Lanini to consistently move their strokes upward or in the direction of the lymph node.
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What do bees do with the pollen that they
take from flowers?
Answers
Explanation:
Bees have a layer of fur that lets pollen get caught on the bees. The bees then move on from flower to flower to pollinate other plants to give them more nutrients and help them grow. Bees take pollen, nectar, and other nutrients from flowers.
Answer: Transfer it from plant to plant
Explanation:
Bees transfer pollen from plant to plant so they can be providing the pollination services needed by plants and nature as a whole. :)
After teaching a group of students about the structure of the skin, the nursing instructor determines that the teaching was successful when the group identifies which of the following as the true skin?1- Epidermis2- Dermis3- Papillary layer4- Stratum corneum
Answers
The structure of the skin, the nursing instructor determines that the teaching was successful when the group identifies Dermis is referred to the true structure skin. So, the correct option is 2.
It is sometimes considered as an important organ because it contains several types of membrane and tissues which covers the body. The structure skin consists the two layers that is dermis and the epidermis.It's main functions is feeling of sensation, regulation and protection.
Skin structure based on three layers such as epidermis which referred to an elastic layer on the outside that is continually being regenerated. Epithelial tissue is referred to the kind of skin which provides a covering or protection to the skin that is the linings of the various passages inside the body.
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true/false. scientific evidence documents the pattern of evolution. the evidence exists in a variety of categories, including direct observation of evolutionary change, the fossil record, homology, and biogeography. sort the following examples into the correct categories.
Answers
Consequently, it is accurate to say that the pattern underlying evolution is supported by scientific data.
What's evolution in biology?Evolution is the change in the heritable characteristics of biological populations over time. Evolutionary processes provide diversity at every degree of biological complexity. The final common ancestor of any and all life on Earth is the last universal ancestor. Changes in an organism's heritable characteristics, or genetic makeup, are how organisms evolve. For instance, a person may get the "brown-eye phenotype" from one of their parents because eye color is a heritable trait for humans.
Who discovered evolution?It's general knowledge that Charles Darwin is credited with "discovering" evolution. However, the historical record reveals that between 1748 and 1859, the year when Darwin published Just on Origin of Species, around 70 distinct authors wrote works on the subject of evolution.
Direct evidence of evolution: The emergence of antibiotic-resistant bacteria
Findings of intermediate horse forms and extinct species' shells in the fossil record
Homology: Similarities between the forelimbs of mammals, Tobacco plants and fireflies share the same genetic code. Right whales have a vestige pelvis.
Biogeography: The high concentration of marsupial species in Australia, the similarity of isolated island species to neighbouring mainland species
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The Dietary Guidelines stresses the importance of adhering to key recommenations for preventing non-communicable diseases. Which of the following are modifiable lifestyle behaviors that improve health outcomes?Multiple ChoiceAiming to eat the recommended amounts of fruits and vegetables daily.Obtaining a minimum of 150 minutes of vigorous exercise daily.Reducing sodium intake to 2400 milligrams per day.Limiting intake of monunsaturated fats.
Answers
Aiming to eat the recommended amounts of fruits and vegetables daily and obtain a minimum of 150 minutes of vigorous exercise daily. Here options A and B are the correct answer.
Modifiable lifestyle behaviors that improve health outcomes refer to behaviors that can be changed by individuals and can have a positive impact on their health. Eating the recommended amounts of fruits and vegetables daily is a good way to get essential nutrients and vitamins, reduce the risk of chronic diseases and improve overall health outcomes. Obtaining a minimum of 150 minutes of vigorous exercise daily is another way to improve health outcomes by reducing the risk of chronic diseases, promoting a healthy weight, and maintaining physical and mental well-being. Reducing sodium intake to 2400 milligrams per day is also important for improving health outcomes, as high sodium intake is associated with hypertension, which increases the risk of heart disease and stroke.
(The Dietary Guidelines stress the importance of adhering to key recommendations for preventing non-communicable diseases. Which of the following are modifiable lifestyle behaviors that improve health outcomes?
A - Aim to eat the recommended amounts of fruits and vegetables daily.
B - Obtaining a minimum of 150 minutes of vigorous exercise daily.
C - Reducing sodium intake to 2400 milligrams per day.
D - Limiting intake of monounsaturated fats.)
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Aiming to eat the recommended amounts of fruits and vegetables daily and obtain a minimum of 150 minutes of vigorous exercise daily. Here options A and B are the correct answer.
Modifiable lifestyle behaviors that improve health outcomes refer to behaviors that can be changed by individuals and can have a positive impact on their health.
Eating the recommended amounts of fruits and vegetables daily is a good way to get essential nutrients and vitamins, reduce the risk of chronic diseases and improve overall health outcomes.
Obtaining a minimum of 150 minutes of vigorous exercise daily is another way to improve health outcomes by reducing the risk of chronic diseases, promoting a healthy weight, and maintaining physical and mental well-being.
Reducing sodium intake to 2400 milligrams per day is also important for improving health outcomes, as high sodium intake is associated with hypertension, which increases the risk of heart disease and stroke.
Complete question:
The Dietary Guidelines stress the importance of adhering to key recommendations for preventing non-communicable diseases. Which of the following are modifiable lifestyle behaviors that improve health outcomes? Multiple Choice
A - Aim to eat the recommended amounts of fruits and vegetables daily.
B - Obtaining a minimum of 150 minutes of vigorous exercise daily.
C - Reducing sodium intake to 2400 milligrams per day.
D - Limiting intake of monounsaturated fats.
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the start of the prometaphase stage of mitosis is indicated by which of these? please choose the correct answer from the following choices, and then select the submit answer button. answer choices the chromosomes arrive at spindle poles. the chromosomes condense. the chromosomes line up on the metaphase plate. the nuclear membrane disintegrates.
Answers
Prometaphase is the stage of mitosis between prophase and metaphase. The main event that takes place during metaphase is the disintegration of the nuclear membrane.
Prometaphase is an important phase during cell division. In prophase two sister chromatids are formed inside the nucleus. To bring about cell division and separation of the sister chromatids, the nuclear membrane must disintegrate. This happens during the prometaphase.
During this phase kinetochores are also produced, which are proteins that bind to the centromeres and enables in separation of sister chromatids. This stage is also known as late prophase. Here the chromosome condensation is also completed.
So the main indication of the prometaphase is that the nuclear membrane disintegrates.
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02.03 Water Quality Virtual Lab Worksheet
Student Name: Lance Beriault
Time Estimate: 90 minutes
Pre-Activity Questions:
Use information from the lesson and assessment introduction to answer these questions. Use complete sentences.
1. Describe how scientists make inferences on whether water is polluted or not.
2. Imagine that a stream of water becomes heavily polluted over time. Predict how you think the following properties would change:
• pH
• water hardness
• nitrate and ammonia levels
Data: (make sure to include correct units)
Table 1 – Physical Properties
Non-polluted Industrial Runoff Agricultural Runoff Thermal Pollution
Color Clear blue Foggy white Gray Clear
Turbidity High Low Medium medium
Temperature 20.0 C 21.0 C 22.5 C 32.0 C
Table 2 – Chemical Properties
Non-polluted Industrial Runoff Agricultural Runoff Thermal Pollution
pH 7.6 9.0 8.6 6.6
Hardness 100 ppm 400 ppm 800 ppm 200 ppm
Ammonia 0.5 ppm 1 ppm 2 ppm 0.5 ppm
Nitrate 0 ppm 5 ppm 40 ppm 0 ppm
Dissolved Oxygen 6.0 mg/L 5.0 mg/L 4.0 mg/L 4.5 mg/L
Table 3 – Stream Diversity
Non-polluted Industrial Runoff Agricultural Runoff Thermal Pollution
Aquatic worm 1 5 4 2
Stonefly 6 0 0 4
Black fly 1 3 4 2
Caddis fly 3 1 0 2
Lung snail 4 2 1 2
Fingernail clam 4 1 0 1
Gill snail 6 0 0 1
Crayfish 3 0 0 1
Carp 3 1 1 2
Trout 3 0 1 0
Total Organisms 34 13 11 17
Analysis:
Review your data carefully to make inferences about pollution. Answer these questions in complete sentences.
1. Identify the pollution type that caused the most change in stream diversity.
2. Which pollution type caused the greatest change in pH? Did this pollution make the water more acidic or more basic?
3. What effect did thermal pollution have on water hardness? Explain why this occurred.
4. Which pollution type shows evidence of eutrophication. Explain your reasoning.
5. Which pollution type resulted in the most hypoxic waters? Support this with evidence from your data. The pollution type resulted in the most hypoxic waters would be Agricultural runoff, caused by excessive nutrients.
6. Which aquatic species were not able to tolerate any of the pollution types in the stream? Trout was the only aquatic species that was not able to tolerate any of the pollution types in the stream.
Making Connections:
Use the lesson content and the results of your lab activity to answer the questions below in complete sentences.
1. Were the pollution sources in the water quality lab point sources or nonpoint sources? Explain your reasoning.
2. Using what you know about macroinvertebrates, explain why some species increased while others decreased.
3. Read both questions below. Answer either one of your choice.
a. What effects, besides death, would you expect to see in aquatic species exposed to thermal pollution?
b. Pick one of the pollution types in the simulation. How would this pollutant affect human health?
4. Describe how a pollutant dissolved in surface water can enter an aquifer. Be sure to include the water cycle's and groundwater's roles in this pollution.
Answers
Scientists make inferences on whether water is polluted or not by looking at aquatic species, and pH.
What is water pollution?MIxing of unwanted toxic substances in the water is called water pollution. Agricultural runoff caused the most change in stream diversity. Industrial pollution caused the greatest change in pH, it make the water more basic.
Thermal pollution increases water hardness because of increasing temperature, and mineral dissolves. Agricultural pollution shows evidence of eutrophication because of high nitrate levels. High level of nitrogen and phosphorus causes eutrophication which makes the water hypoxic.
Trout are the only aquatic species that are not able to tolerate any type of pollution in the stream. Pollution adversely affects human health and causes many types of diseases.
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diffuse input to the cortex relaying through the thalamus, from what area, keeps the cortex active during wakefulness
Answers
While implicit attitudes stimulate the amygdala, explicit attitudes stimulate the orbitofrontal cortex.
Those attitudes that are simple to self-report at the level of conscious awareness are referred to be explicit attitudes. They are easy to detect and report, and they are shaped with purpose. They are the deliberate activities that a person chooses to carry out in their relationships with other people. These attitudes result in the behaviors that other people see.
Implicit attitudes, on the other hand, are those that emerge unintentionally, against our choice, and are typically unknown to us. The amygdala is involved in the automatic processing of socially relevant inputs, while the anterior cingulate and dorsolateral prefrontal cortices are involved in the detection and regulation, respectively, of implicit attitudes.
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it's the most diverse, abundant, widely distributed, and structurally it varies it's the glue of the body; includes tendons, ligaments, fat, bones, cartilage, blood. called is connective?
Answers
Connective tissue is the most plentiful and generally disseminated of the essential tissues. Connective tissue has three fundamental parts: cells, filaments, and ground substance.
Connective tissue is the most plentiful tissue type in the body. As a general rule, connective tissue comprises cells and an extracellular framework.
Versatile filaments are fundamental extracellular framework (ECM) macromolecules containing an elastin center encompassed by a mantle of fibrillin-rich microfibrils. They enrich connective tissues like lungs, supply routes, and skin with the basic properties of versatility and flexibility.
Collagen is the stringy underlying protein that makes up the white filaments (collagen strands) of skin, ligaments, bones, ligaments, and any remaining connective tissues.
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Connective Tissue, it links tissues the four tissue types with the most structural variety, abundance, and distribution One structure is "connected" to another structure through function. The body's "glue" and "filler" are CT.
Loose connective tissue and dense connective tissue make up connective tissue in its right form (which is further subdivided into dense regular and dense irregular connective tissues.) The proportion of ground substance to fibrous tissue distinguishes between loose and thick connective tissue. In contrast to dense connective tissue, loose connective tissue contains a greater amount of ground substance and a lesser amount of fibrous tissue. Collagen fibres are placed in an orderly parallel pattern in dense regular connective tissue, which is present in tissues like tendons and ligaments. This arrangement gives the tissue its dense appearance.
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help meeeeeeeeeeeeeeeeeeeee
Light waves are a. electric and soundlike b. magnetic and soundlike c. electric and magnetic d. electric only
Which of the following does "not" require a physical medium through
which to travel?
a. light
b. sound
c. both light and sound
d. neither light nor sound
Answers
Light waves do not require a physical medium through which to travel. They can travel through a vacuum, such as in outer space. They are also considered as electromagnetic waves, which means they are oscillating electric and magnetic fields that travel through space as waves.
The answer to the first question is: d. electric only
Light waves are a form of electromagnetic waves, which are oscillating electric and magnetic fields that travel through space as waves. They do not have a sound-like component.
He looked for living S bacterial cells in each of the three batches that
contained living R cells. How did Avery's experiment determine that proteins
do not transfer heritable information?
OA. The samples with destroyed RNA still produced living S strain
bacteria.
OB. The sample with destroyed proteins still produced living S strain
bacteria.
O C. Samples with intact proteins produced no living S strain bacteria.
OD. When DNA was destroyed, living S strain bacteria appeared in the
sampl
SUBMIT
Answers
When DNA was destroyed living S strain bacteria appeared in the sample.
What was the result of Avery's experiment?Oswald Avery's team demonstrated that DNA was the "transforming principle" in a very straightforward experiment. DNA was able to change another strain of bacteria when it was extracted from one strain and impart traits to the other strain.DNA makes up the genetic makeup of plasmids and bacteria. DNA or RNA serves as the genetic code for bacterial viruses, often known as phages or bacteria ophages. The replication and expression of genetic material are its two primary uses.For instance, although eukaryotes (multicellular organisms including yeasts) have three different forms of RNA polymerase, bacteria only have one type.To learn more about strain bacteria refer to:
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Answer:
Explanation:
consider a population of an annual plant, starting out with a single adult in year 1. suppose that each adult plant generates on average 500 seeds, of which only 15 germinate and grow to adulthood in the following year (the remaining seeds die).
Answers
In this scenario, the population of the annual plant starts with just one adult in year 1.
This adult generates an average of 500 seeds, but only 15 of these seeds will germinate and grow to adulthood in the following year. This suggests that the survival rate for the seeds is quite low, with only 3% of the seeds being able to grow into adult plants. As a result, the population growth of the plant will be slow, as only a small number of seeds are able to grow into adults each year. Additionally, the population will be highly dependent on the survival rate of the seeds, as a low survival rate will limit the overall population growth.
There are several ways to improve the survival rate of seeds in this scenario:
Improve seed quality: By selecting high-quality seeds for planting, the chances of germination and growth to adulthood will be higher.Optimize planting conditions: Proper soil preparation, moisture, and temperature conditions can ensure that the seeds have the right environment to germinate and grow.Reduce seed predators: By controlling seed predators such as insects and animals, more seeds will be able to germinate and grow.Provide proper maintenance: Proper maintenance of the adult plants, such as fertilization and pest control, can increase the chances of seed production and survival.Genetic modification: By using genetic engineering to improve the genes of the plant that are associated with seed survival.Use of companion planting: By planting other plants that can repel pests and diseases that attack the annual plant, seed survival rate will be improved.Learn more about annual plant here: brainly.com/question/13449989
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how many total grams of protein and fiber are in the meal? how much iron, potassium, and calcium are in the meal? remember that when you are asked to provide a set of two or more numeric answers, separate them with commas. round to the nearest whole number.
Answers
The group advises adults to get 10% to 35% of their energy from protein, 45% to 65% from carbohydrates, as well as 20% to 35% from fat.
2 Additionally, they advise taking less saturated fat than 10% of total calories. It is generally advised to eat 15 to 30 grammes of protein with each meal. According to studies, greater intakes—those of more than 40 grams—in a single session are no more advantageous than the advised 15–30 grammes at a time. In general, most adults would aim for a diet that has 20–35% fat, 10–35% protein, and 45–65% carbohydrates. As a general rule, a lunch portion should be around the size of your palm, or 70 to 100 grammes cooked, and an evening meal amount should be about the size of your hand, or 150 to 200 grammes cooked.
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what is the complementary sequence of rna nucleotides that would match the strand of dna? enter your letters without spaces. serleuala
Answers
The complementary sequence of RNA nucleotides that would match the strand of DNA would be UCAGUACU.
RNA is synthesized by copying a specific strand of DNA, a process called transcription. During transcription, the enzyme RNA polymerase reads the DNA sequence and synthesizes a complementary RNA molecule, using the base pairing rules of A-U and G-C.
In this case, the given strand of DNA is "serleuala".
Here are the complementary RNA nucleotides that match the strand of DNA:
S-U
E-C
R-A
L-G
E-U
U-A
A-U
L-C
A-U
So the RNA strand would be UCAGUACU.
The process of transcription is the first step of protein synthesis in which the genetic information encoded in DNA is transcribed into a single-stranded RNA molecule using the base pairing rules of A-U and G-C
Where A in the DNA is complementary to U in the RNA, and G in the DNA is complementary to C in the RNA. This RNA molecule will then be used as a template for translation in order to produce a protein.
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a body fluid was sent to the microbiology laboratory for culture and after 48 hours of non-co2 incubation, a small catalase-positive, non-spore-forming, diphtheroid-shaped gram-positive rod grew on sheep blood agar. this organism was considered to be a possible contaminant since this organism is part of the normal skin microbiota. which of the following organisms grew in the body fluid?
Answers
A body fluid was sent to the microbiology laboratory for culture and after 48 hours of non-co2 incubation, a small catalase-positive, non-spore-forming, diphtheroid-shaped gram-positive rod grew on sheep blood sugar.
It can lead to difficulty heart rhythm problems, breathing and even death. It recommends vaccines for children, infants, teens and adults to prevent diphtheria. Diphtheria referred to a serious infection caused by strains of bacteria called Corynebacterium diphtheriae that make toxin.
Corynebacterium species organisms grew in the body fluid. This organism was considered to be a possible contaminant since this organism is part of the normal skin microbiota. Microbiology is used to provides information that needed to create vaccines and treatments for diseases.
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Please help me!! Answer questions 3 & 4 and imagine answer choices are labeled from A to D
Answers
3) the option that is NOT true about X-Chromosomes is:
"Only a few sex-linked traits are carried on the X chromosome"
4) The options which are TRUE about bone cells and bone formation are:
Minerals (primarily calcium-phosphate) precipitate onto collagen secreted by bone cells. (Option D)
Minerals contribute to the compressive strength of bone; i.e. they prevent fractures when bone is exposed to pushing forces. (Option A)
Collagen gives bones their flexibility (ability to withstand tensile forces). (Option C)
What is X-Chromosone?Note that in humans, the X chromosome is one of two sex chromosomes (the other is the Y chromosome).
Each cell contains one of the 23 pairs of human chromosomes, the sex chromosomes. The X chromosome covers roughly 155 million DNA building blocks (base pairs) and accounts for approximately 5% of the total DNA in cells.
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