Answer:
Explanation:
1,The Amazon rain forest
The reforestation of the Amazon forest after logging is a significant impact of human activities,This re- population of trees ensures that the effect of logging, the human impact, is reduced to barest minimum, which reduce air population and therefore the green house effects.
In addition, the use of recycled material which reduced contamination and therefore promote safe water is another reduction in human impact. However the preservation of the Amazon is global.And therefore its conservation of the CO2 for earth usage is important to all to prevent global warming and continuous existence of human beings through photosynthesis.,
2.
Indiscriminate dumping and burning of refuse should be avoided- this leads to carbon emission and CO pollution.
Fertiliser applications close to lakes and rivers should be reduced.
These impacts leads to air pollution and respiratory disorders, fog which reduces visibility Therefore if open combustion is avoided this reduces the above effects. Waste disposal should be managed by governments, in a designated areas and not by induviduals
.Leakages of these NPK fertilizers leads to eutrophication and therefore increase in the aquatic organic matter, reduction of oxygen of the aquatic bodies and death of the fauna. Fertiliser application near aquatic bodies should be reduced,Compost and manure should be used near this areas.
3.
The use of Combustion engines should be reduced drastically as this is the main source of climate change of global warming, air pollution and flooding. Governments should invest in the mass production of electric cars, with the release of no pollutants to the environments.
Like wise, recycling of used paper materials will ensure continuous availability of paper, and therefore cut down incessant felling of trees for paper production.Besides, steel and other metallic materials use be used more for furniture productions, thereby conserving rain forests.These will preserve the global ecosystem and ensure stability.
When recommending solutions to decrease human impact, which location were you able to make the greatest positive impact? Please explain your selection by using data from the simulation.
New york, 893 - 853 = 40 which is the highest quotient.
What recommendations would you give to your local community to help to decrease the local effects of human impact on the environment? List 2 recommendations and how they will positively impact your community.
Installing solar panels and replanting 2 trees for every tree that’s been cut down, this will help the atmosphere and deforestation.
What recommendations would you give to the global governments to help decrease the global effects of human impact on the environment? List 2 recommendations and how they will positively impact our planet.
Constructing using only recycled materials decreases water pollution to 823 ppm and Creating more protected areas decreases air pollution to 368 ppm this will help the environment and oxygen.
what is the name used to describe organisms that exist between the living and non living
If a researcher has a DNA sample with a concentration of 0.6 micrograms per microliter, how many microliters of DNA must be transfered to conduct a 50 microliter reaction if the final concentration should be 3.9 nanograms per microliter
Answer:
0.325 microliters
Explanation:
1 microgram = 1000 nanograms
DNA sample concentration= 1000 X 0.6 = 600 nanograms / microliters
We need a total of 50 microliter reactions, and the concentration should be 3.9 nanograms per microliter.
So, we need total 50 X 3.9 = 195 nanograms in 50 microliters.
Therefore, it required 195 / 600 = 0.325 microliters of DNA sample to be transferred.
Which environmental change is considered short term?
forest fire
ice age
mountain building
solar energy changes
Edunuity
Answer:
forest fires
Explanation:
An environmental change that occurs quickly and affects organisms immediately (causing behavioral adaptations).
floods, forest fires, blizzards, volcanic eruptions,
Answer: Forest fires[A]
Explanation:
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The punnets square shows a text cross of mice that are heterozygous for both traits what will the offspring be fill in the white boxes of the punnets square with all the possible offspring genotypes
Answer:
Explanation:
Dominant allele are allele that finds expression the offspring physical expression while recessive allele are alleles that are not expressed in the offspring phenotype.
Calcium blood levels are very tightly regulated with the aid of parathyroid hormone and vitamin D. The statements below represent actions that take place during times of low blood calcium, times of high blood calcium, or neither. Match below mention statements with them.
a. Increased vitamin D activation leads to decreased calcium absorption from the intestines.
b. Increased production Of PTH stimulates activation of vitamin D.
c. Parathyroid glands increase secretion of PTH.
d. Less calcium is reabsorbed by the kidneys.
e. Parathyroid glands decrease secretion of PTH.
f. Osteoclasts are inhibited. leading to decreased breakdown of bone.
g. PTH and vitamin D Stimulate increased breakdown of bore.
The kidneys absorb the functions that occur when the blood calcium level is low, when the blood calcium level is high or not less.
What are the functions of calcium?Calcium is the mineral most associated with healthy bones and teeth, although it also plays an important role in blood clotting, helps muscles contract, and regulates normal heart rhythm and nerve function.
Calcium is needed to build and maintain healthy bones and teeth. Among other roles, it can help control blood pressure. It is best to get enough calcium from foods such as dairy products, green leafy vegetables and tofu.
People usually take calcium by mouth to treat and prevent low calcium levels, muscle cramps, osteoporosis, softening of the bones and PMS.
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How can genomic imprinting affect gene expression in mammalian embryos? How can genomic imprinting affect gene expression in mammalian embryos? Lower expression of the maternal allele of a gene relative to the paternal allele may occur if a maternal allele carries less silencing marks (e.g. methylation) than the paternal allele. Higher expression of the maternal allele of a gene relative to the paternal allele may occur if a paternal allele carries more silencing marks (e.g. methylation) than the maternal allele. Higher expression of the maternal allele of a gene relative to the paternal allele may occur if a paternal allele carries less silencing marks (e.g. methylation) than the maternal allele. Lower expression of the maternal allele of a gene relative to the paternal allele may occur if a paternal allele carries more silencing marks (e.g. methylation) than the maternal allele. Request Answer
Answer:
Genomic imprinting is an epigenetic phenomenon that causes genes to be expressed in a parent-of-origin-specific manner. ... These epigenetic marks are established ("imprinted") in the germline (sperm or egg cells) of the parents and are maintained through mitotic cell divisions in the somatic cells of an organism.
Explanation:
Genomic imprinting affects a subset of genes in mammals and results in a ... In contrast, nonimprinted genes will be expressed from both parental gene ... Surprisingly, mice carrying the mutant nonfunctional allele showed a ... In contrast, embryos that develop within eggs are unable to directly influence maternal resources.
What type of enzyme can activate another enzyme by adding a phosphate from ATP?
Answer:
Here my answer goes.......
Explanation:
In biochemistry, a kinase is an enzyme that catalyzes the transfer of phosphate groups from high-energy, phosphate-donating molecules to specific substrates. This process is known as phosphorylation, where the substrate gains a phosphate group and the high-energy ATP molecule donates a phosphate group.
Fur color in mice is affected by a single gene. The gene for fur color has two alleles: B that causes dark brown fur, and b that causes light brown fur. In a mouse with dark brown fur, the genotype could be BB or:_________
Answer:
The genotype could be BB or Bb
Explanation:
The genotype could be Bb which means it has heterozygous alleles.
The B which is allele for dark brown fur is dorminant and b for light brown is recessive. In this case, the dorminant allele masked the effect of the recessive allele b which make the dorminant allele B to be expressed phenotypically.
How can a forensic palynologist help a crime investigation?
Answer: A forensic palynologist can help a crime investigation because they can examine the pollen in the victim and compare it with the pollen from the suspects by using a comparison microscope to tell if it's a match.
Answer: Well, forensics is the study of the application of science to criminal and civil laws, mainly—on the criminal side—during criminal investigation. So they have an important role in the judicial system because they study criminal reports and files, Identify and classify crime scene evidence through scientific analysis, and then they have to explore possible links between suspects and criminal activity using the results of chemical and physical analyses. So in a crime scene, they might examine the details that they might notice, like the position of the victim or the objects surrounding the scene, test and analyze them, and then follow the leads they get from that.
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Rhizobium:
feed off dead plants
add nitrogen to soil
are part of the fungi kingdom
all of the above
Answer:
All of the above
Explanation:
Answer:
aLL of the above
Explanation:
In normal cells, glucose is broken down aerobically and fed into the citric acid cycle to produce, among other things, lots of ATP. Cancer cells, however do not. They instead break down glucose into lactic acid. This is very odd due to the fact that cancer cells are constantly growing and have typical glycolytic rates 200 times that of a normal cell. This even occurs under oxygen rich conditions.
Required:
Write a response to the following prompt.
Why might cancer cells produce ATP this way? Please provide background and cite any sources you may have used?
Explanation:
Its was discovered back in the 1920s, by Dr. Ralph DeBerardinis and Dr. Joshua Rabinowitz that cancer cells prefer not to rely on the citric acid cycle like healthy cells do. Instead, they turn most of their pyruvate (SALT) into lactate, which then releases. Because cancer cells consume so much glucose, they end up producing a lot of lactate.
The Circle of Lactate: How cancer cells can reuse their own waste
by Lara Roach
Feb 13, 2018
After getting their results in, a group of scientists went back and looked at their study. As planned, their experiment consisted of three groups. The first group received a new medicine at a normal dose, the second group received the medicine at half the dose, and the third group received the medicine at twice the dose. Which of the following best describes what went wrong with the scientists’ study?
Answer:
Their experimental design lacks control group
Explanation:
Based on what I read, the scientists don't have a control group as one of the main groups thus they cannot, in scientific sense, say that the medicine is better or worse. You always need a control group receiving no intervention because then we can compare groups and assess the effectiveness of that intervention (in our case if we had control group vs people who received the medicine, we could see if the people who received the medicine had improved condition etc when compared to participants who did not receive anything)
There is no control group in their experimental design. According to what I've read, the scientists don't have a control group as one of the primary groups. Thus, option C is correct.
What is control group?To determine if the treatment is better or worse in a formal scientific sense. You should always have a control group that does not receive any treatment because this allows us.
To compare the groups and evaluate the effectiveness of the intervention. In our case, if we had a control group and participants who did not receive any treatment, we could see if those participants had better health overall.
By focusing on the impact of a single independent variable, a cause-and-effect link can be established.
The independent variable is altered in the treatment group while being held constant in the control group by researchers. The findings of these groups are then compared.
Therefore, no control group in their experimental design.
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"Discuss three factors that affect your daily food choices. For each factor with a negative outcome, suggest at least one change you could make in your daily behavior that would turn that negative outcome to a positive outcome.
Answer:
Three factors that affect my daily food choices include:
1. Taste
2. Length of time for preparation
3. Method of preparation.
Explanation:
When making choices for food, I tend to take several factors into consideration. Some of these factors include;
1. The taste of the food: If the food tastes good and is not too spicy I am more inclined to choose such food.
2. Length of time for preparation: Especially on stressful days, I tend to consider the length of time required to prepare a healthy meal. If it takes so much time I am more inclined to eat fast food which is not a good choice.
To change this negative outcome, I hope to plan my affairs for the day and prepare healthy meals beforehand, which could be stored in the refrigerator and reheated when I need it.3. Method of Preparation: Some foods require paying attention to details. For example, food that uses up, a lot of vegetables would require thorough washing to prevent particles in the food. Busy days also get me exhausted with no strength to pay attention to these protocols.
To turn this around, I hope to employ the help of a family member to make the process easier. I also hope to process most of my ingredients and keep them ready for use so that I would not have to do a lot of processing while cooking.Explain what the impact of mutations in myosin that disrupt ATP binding would have on the power stroke during muscle contraction. and hydrolysis Skeletal muscle arrangement, ATP binding and correct muscle contractions
Answer:
These cells will be atrophied because muscle contractions can't occur.
Explanation:
In muscle cells, ATP binding causes a conformational change in the structure of myosin, thereby these filaments move to a high-energy configuration. The muscle contraction is caused when this high energy state is amplified in the actin filaments that bind to myosin, in a process dependent on the ATP hydrolysis. The myosin-actin cycle is repeated by binding another ATP molecule on the myosin head, producing the contraction of muscle cells.
Why do processes and activities suddenly change the global temperature?
Answer:
hey mate here is your answer
Answer:
Earth's temperature depends on the balance between energy entering and leaving the planet’s system. When incoming energy from the sun is absorbed by the Earth system, Earth warms. When the sun’s energy is reflected back into space, Earth avoids warming. When absorbed energy is released back into space, Earth cools. Many factors, both natural and human, can cause changes in Earth’s energy balance, including:
Explanation:
Variations in the sun's energy reaching Earth
Changes in the reflectivity of Earth’s atmosphere and surface
Changes in the greenhouse effect, which affects the amount of heat retained by Earth’s atmosphere
Given the behavior and ecology of this insect, what are some factors that could cause the incidence of Chagas disease to increase in Central and South America in areas like the banana plantation, and why
Answer and Explanation:
There are many physical elements such as temperature, precipitation, humidity, altitude, vegetation, among others, that influence the presence of the insects that transmit the Chagas diseases. Its transmission seems to be enhanced by other social elements, such as the deficiency in basic services, lack of planning, the socio-economical conditions, cultural conditions. Altogether, these factors intervene in the presence of the Chagas disease, a systemic infection caused by the protozoa Trypanosoma cruzi. This protozoan is hosted by different wild and domestic mammals, transmitted to the human by hematophagous insects. The transmission occurs through dejections deposited on skin or mucose during or after the feeding process.
Different rural areas in Central and South America are characterized by a mountain relief (temperatures between 15 and 30ºC - relative humidity between 50 and 90%), as well as by a plane relief associated with alluvial plain (temperature between 20 and 35ºC - media relative humidity of 75%). Vegetation in the mountain area provides a natural habitat to the triatomines, the insects that transmit the Chagas disease.
Constant deforestation in mountains, soil move, the cutting down, firing, have destroyed the natural habitat of the insects, becomming the cause of their arrival to populated centers. As their environment is destroyed, insects migrate to new areas and find refuge in precarious houses that surround the affected areas. Most of these houses have clay walls, a roof made of branches, and no floor. People that live in these conditions do not have economic resources. Indexes of infestation in these houses are high due to the material used for their construction. Insects tend to establish near a source of food, such as domestic animals or even humans. It is also common that these houses have chicken coops and farmyards that also offer good conditions for the insects to live in.
Economic activities are important variables to consider, as these define the way of living in a population.
Agriculture activities are performed with no control or planning. People deforest to plant, getting in contact with the insects' natural habitat, producing environmental changes, and getting in touch with them, enhancing the risks of being infected and of transportin the insects.
12. Researchers have spent decades and several millions of dollars studying diabetes among the Pima and Tohono O’odham tribes. Why hasn’t their research yielded a genetic explanation for the high rates of the disease?
Answer:
A link between cardiometabolic risk factors and race and ethnicity have been studied. It has been found that the rates of cardiometabolic risk factors are higher among ethnic minority populations such as African Americans, Hispanic Americans, and Native Americans.
Why do you think these groups have a high risk of osteoporosis
Answer:
lack or low calcium level
Explanation:
when a person has a low calcium intake, these people are susceptible to having osteoporosis as their bodies would be lacking of much needed calcium.
Low calcium intake increases osteoporosis risk. Lifelong calcium deficiency causes osteoporosis. Low calcium consumption causes bone loss, early bone loss, and fractures.
What is osteoporosis?Osteoporosis is a disorder that causes bones to become brittle and more prone to breaking, which increases the risk of fractures. It manifests itself gradually over the course of several years, but the condition is typically not recognized as a problem until a bone breaks as a result of a fall or a sudden impact. A broken wrist is the type of injury that occurs most frequently in people who have osteoporosis.
People who consume inadequate amounts of calcium are at increased risk for developing osteoporosis. The deficiency of calcium over a lifetime is one of the factors that can contribute to the development of osteoporosis. A diet deficient in calcium has been linked to decreased bone density, an accelerated rate of bone loss, and an increased risk of fractures.
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The table lists some organelles and functions. Only one pair is correctly matched.
Functions of Organelles
Organelle Function
Chloroplast Stores water and waste materials
Cell wall Supports cell membrane, maintains cell shape, and protects cell
Cell membrane Breaks down waste materials and debris
Vacuole Produces proteins for the cell
Which organelle in the table is correctly matched with its function?
chloroplast
cell wall
cell membrane
vacuole
Answer:
cell wall
Explanation:
The cell wall supports the cell membrane, it helps keep the cell shape and protects the cell
The organelle that is CORRECTLY matched with its function is the CELL WALL.
The cell wall is an organelle found in plants (and in certain other non-animal organisms) that helps to provide structural support and transport substances across the plant cell.
Chloroplasts are plant organelles used to synthesize simple carbohydrates by a series of reactions collectively called photosynthesis.
The cell membrane is a selectively permeable structure that separates the intracellular medium from the surrounding environment.
The vacuole is an organelle (predominant in plant cells) that helps maintain water balance and sequester waste products.
In conclusion, the organelle that is CORRECTLY matched with its function is the CELL WALL.
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Rank each of the following in terms of their appearance in the cell during carbohydrate catabolism. 1 represents the first to appear, and 6 represents the last. (Assume only a single round of carbohydrate catabolism took place.)
(6 items)
(Drag and drop into the appropriate area)
First
1. Glucose
2. Fructose-1,6- bisphosphate
3. Glyceraldehyde-3. phosphate
4. Pyruvate
5. Succinyl-CoA
6. Citric acid
Answer:
Explanation:
The correct order of above question is -
1. Glucose
2. Fructose - 1,6 - biphosphate
3. Glyceraldehyde - 3 - phosphate
4. Pyruvate
5. Citric acid
6. Succinyl co- A
Explanation - These all are the step of carbohydrate metabolism in a cell. The carbohydrate is catabolise and successively into smaller forms.
First four steps show the glycolysis process in which by use of ATP glucose molecule breakdown into simpler one.
Last two steps show the kerb's cycle in which citric acid (six carbon compound) is converted into succinyl co - A ( four carbon compound) .
the “good genes hypothesis” proposes that people with physical qualities like averageness, symmetry, sex prototypicality, and youthfulness are more attractive because they are better-quality mates. the “good genes hypothesis” is from which approach to psychology?: 1) evolutionary 2) psychodynamic 3) cognitive 4) biological
The correct answer is 1) Evolutionary
Explanation:
The "good genes hypothesis" argues traits of the opposite sex that are considered as positive or attractive reflect evolutionary traits and therefore are indicators of a better-quality mate. Indeed, this theory argues attraction is connected to better chances of survival or better chances to reproduce. This belongs to the evolutionary approach in psychology because these "attractive" traits are the result of evolution because only the "fittest" individuals reproduce and their genes prevail over time.
g A variable trait in corn is the presence or absence of knobs at particular sites on some chromosomes. The allele present on each chromosome determines whether or not that chromosome has a knob. Suppose that one member of each of two pairs of homologs in a corn plant has a knob. If this plant is crossed with a knobless plant, what percentage of the offspring is expected to have only knobless chromosomes
Answer:
50%
Explanation:
The allele present on each chromosome determines whether or not that chromosome has a knob. Suppose that one member of each of two pairs of homologs in a corn plant has a knob.
This means that on a chromosome with two chromatids, the allele present on one chromatid causes the chromatid to possess knob while the other does not making the plant an heterozygous...
If this plant is crossed with a knobless plant, one whose Chromebook is without knobs, we have
II x II
II - 50% with a knobbed chromatid
II - 50% with only knobless chromosomes.
The first to the left is knobbed, thus the percentage of offspring expected to have only knobless chromosomes would be 50%.
Assuming a diallelic gene and complete dominance, the percentage of the offspring that is expected to have only knobless chromosomes is 50%
----------------------------
Available data:
Trait presence absence of knobsPlant 1: One member of each of two pairs of homologs in a corn plant has a knobPlant 2: knobless plantWe will assume complete dominance, and that the presence of knobs is the dominant trait.
We will name the dominant allele A, and the recessive allele a.
Plant 1 seems to be heter0zyg0us for the trait, while plant 2 is h0m0zyg0us.
Cross: Plant 1 with Plant 2
Parentals) Aa x aa
Gametes) A a a a
Punnett square) A a
a Aa aa
a Aa aa
F1) 50% of the progeny is expected to be heter0zyg0us, Aa, expressing knobs
50% of the progeny is expected to be h0m0zyg0us recessive, aa, having knobless chromosomes.
The percentage of the offspring that is expected to have only knobless chromosomes is 50%.
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What is a bionomial nomenclature
[tex] [/tex]
In taxonomy, binomial nomenclature, also called binominal nomenclature or binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, both of which use Latin grammatical forms, although they can be based on words from other languages.
-XxItzAdiXxType the correct answer in the box. Spell all words correctly. Which training does Michael need to work as a veterinarian in a zoo? Michael loves animals, so he studied to become a veterinarian. However, he wishes to work for a well-known zoo in Ohio. He would probably need to acquire training in zoo to be hired.
Answer:
The correct answer yo get a degree in veterinary medicine.
Explanation:
In U. S. a veterinarian needs to have the proper training and degree to practice at any place like zoo or clinics. Michael needs a Doctor of Veterinary Medicine degree known as D.V.M. or V.M.D. from an accredited veterinary medicine college. It is a four years program that includes classroom studies, laboratory experience, and clinical work.
Answer:
The right answer is zoo MEDICINE
Explanation:
Large zoos often seek veterinarians who possess additional training in zoological medicine.
(For Plato users, I got it right on the test)
Complete this sentence. The CNS communicates with the body proper through ________. View Available Hint(s) Complete this sentence. The CNS communicates with the body proper through ________. some cranial nerves, some spinal nerves, and some additional nerves that were mentioned but not discussed in the tutorial the spinal nerves but not specifically through the cranial nerves the cranial nerves but not specifically through the spinal nerves some (but not all) of the cranial nerves and some (but not all) of the spinal nerves the cranial nerves and the spinal nerves
Answer:
The correct answer is - The cranial nerves and the spinal nerves.
Explanation:
The central nervous system or CNS includes the brain and the spinal cord of the nervous system where it takes sensory information, integrates, and responds accordingly. The spinal cord acts as a conduit for signals between the brain and the rest of the body.
Spinal nerves and crania; both play an essential role in taking sensory information and respond accordingly. Spinal nerves are nerves that help in sending motor, sensory, and autonomic signals between the CNS and the body. The cranial nerves supply information to the CNS and then from the CNS to the body.
Thus, the correct answer is - The cranial nerves and the spinal nerves.
Which is a secondary substance? A.) Tree falling B.) Volcanic eruption C.) Forest fire D.) Snow melting
Answer:
Snow melting
Explanation:
The solid snow is the primary substance while the melted snow-water is secondary.
describe some other kinds of activities that would benefit the most from each molecule n the table
Answer:
The macromolecules; protein helps to gain muscle, fat helps provide stored energy for longer period, carbohydrates provide immediate energy.
Explanation:
Proteins are the macromolecules that help on the muscle building and storage. Bodybuilders utilize proteins to build their body and muscle protein. Protein has equal energy value as carbohydrates.
Fat help in providing energy when there is no carbohydrate provided energy to utilize. In the winters some animals hibernate they utilize the fat provided energy during the hibernation period.
Carbohydrate gives energy immediately for the cellular process and also help athletes to provide energy immediately. Runners drink carbohydrates based drinks to get energy before the race.
An elephant and a tree are both living things. According to cell theory, what can you conclude about these two very different organisms?
Answer:
An elephant and a tree are both living things. According to cell theory, what can you conclude about these two very different organisms?
What does alternative energy mean?
A. Energy sources produced through technology
B. Energy produced by natural processes
O C. Energy sources other than fossil fuels
D. Energy sources other than solar energy
Answer:
B
Explanation:
Alternative energy is the same thing as renewable energy which should be natural processes
Answer:
C. Any energy that does not use fossil fuels
Explanation:
if you look up the definition of alternative energy, it will tell you it is any energy that does not use fossil fuels.
Which is an example of foraging as a benefit of social behavior?
Answer:
kinda like foraging a signature
Explanation: if I'm wrong go randonauting