The 3′-end (three prime finish) of a strand is so named because it ends at the hydroxyl gathering of the third carbon in the sugar ring and is known as the last part.
Each gathering of three bases in mRNA comprises a codon, and every codon determines a specific amino corrosive (subsequently, it is a trio code). The mRNA succession is in this manner utilized as a layout to collect — all together — the chain of amino acids that structure a protein.
DNA is made out of two strands of nucleotides kept intact by hydrogen holding. The strands each run from 5' to 3' and run in antiparallel, or inverse, bearings from each other.
Each finish of a DNA particle has a number. One end is alluded to as 5' (five prime) and the opposite end is alluded to as 3' (three prime). The 5' and 3' assignments allude to the number of carbon particles in a deoxyribose sugar particle to which a phosphate bunch bonds.
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A DNA particle has a number on each end. Five prime is mentioned at one end, while three prime is mentioned at the other (three prime).
The deoxyribose sugar particle's number of carbon atoms that a phosphate bunch attaches to is indicated by the 5' and 3' assignments.
Because it stops at the hydroxyl gathering of the third carbon in the sugar ring and is referred to as the last portion, the 3′-end (three prime finish) of a strand is so named.
In mRNA, each grouping of three nucleotides is called a codon, and each codon determines a certain amino acid (subsequently, it is a trio code). In this way, the sequence of mRNA is used as a pattern to gather all of the amino acid chains that make up a protein.
Two strands of nucleotides make up DNA, and hydrogen holds the nucleotides together. Each of the strands extends from 5' to 3' and moves in an inverse or antiparallel direction from the other.
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within the nova microbe tutorial, which of the following is not one of the essential ingredients of life:
Microorganisms are minuscule living things that are tracked down surrounding us and are excessively little to be seen by the unaided eye. They live in water, soil, and in air.
The human body is home to a large number of these organisms as well, likewise called microorganisms. A few microorganisms make us debilitated, others are significant for our well-being.
Microbial variety is genuinely stunning, yet this large number of microorganisms can be assembled into five significant sorts: Infections, Microscopic organisms, Archaea, Parasites, and Protists.
A microorganism is a minuscule organic entity that may be a solitary cell or a settlement of cells. As a result of their moment size, they shouldn't be visible with unaided eyes. They can be tracked down in the water, air, soil, and inside our bodies and those of different creatures and plants.
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A microbe is a tiny organic object that can consist of a single cell or a colony of cells. They should not be visible to unassisted vision due to their tiny size.
They can be located in the water, the air, and earth, as well as inside of our bodies and those of various animals and plants.
Microorganisms are extremely little living entities that are found all around us but are too small to be seen without a microscope. They are aquatic, terrestrial, and aerated.
These creatures, also referred to as microbes, are widely distributed throughout the human body. Some microbes render us helpless, while others are vital to our health. Although the diversity of microorganisms is truly amazing, they can be divided into five major groups: infections, microscopic organisms, archaea, parasites, and protists.
The complete question is,
within the nova microbe tutorial, which of the following is not one of the essential ingredients of life: A. Any virus B. Any organisms that require a microscope to be seen C. Any bacteria D. Any disease-causing organism
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Organisms such as coagulase-negative Staphylococcus, Corynebacterium, and alpha streptococcus species are all found on the skin and represent normal skin flora. All of the following are functions of normal skin flora EXCEPT?
A. They provide substances that are toxic to other organisms
B. They inhibit growth of more harmful microorganisms
C. They provide a level immunity to protect against the formation of infections
D. They aid in the transmission of nosocomial infections
All of the following are functions of normal skin flora EXCEPT They aid in the transmission of nosocomial infections i.e. option(D)
Nosocomial infections, or infections acquired in a healthcare setting, are not often linked to the transmission of normal skin flora. Instead, healthy skin flora contributes to skin health by preventing the growth of harmful microbes, competing with them for nutrients and space, and creating enzymes and other compounds that can aid in the breakdown and removal of dead skin cells and other surface detritus.
Therefore, functions of normal skin flora EXCEPT They aid in the transmission of nosocomial infections i.e.option(D)
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Which describes the gyres in the northern hemisphere
Answer:
The gyres in the northern hemisphere describe the large systems of rotating ocean currents that flow clockwise in the Atlantic and counterclockwise in the Pacific and Indian Oceans.
estimate area of endoplasmic reticulum when it is in rectancular form using a model for its structure
The endoplasmic reticulum (ER) is a complex and dynamic organelle found within eukaryotic cells. Its structure can vary depending on the cell type and the functions it is performing.
In a rectangular model, the ER is composed of a series of flattened, stacked cisternae that form a network of flattened tubules and vesicles. To estimate the area of the ER in this model, one would need to know the length and width of the cisternae, as well as the number of cisternae present.
The area of a rectangle can be calculated using the formula:
length x widthTherefore, if the length and width of each cisterna are known, the total area of the ER can be calculated by multiplying the area of one cisterna by the number of cisternae present.
The structure of the ER can be more complex than a simple rectangle, and its size can also vary greatly depending on the cell type and stage of development. Also, there are different types of ER, like rough endoplasmic reticulum (RER) and smooth endoplasmic reticulum (SER), that have different structures.
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In fMRI, the magnetic signal being recorded changes when brain activity
changes, but the change in the magnetic signal:
A.Is delayed by about 6 milliseconds because this is how long it takes for
blood flow to change after the brain activity changes
B.Is delayed by about 6 seconds because this is how long it takes for
blood flow to change after the brain activity changes
C.Is delayed by about 6 milliseconds because this is how long it takes for
the magnetic signal to travel from the brain to the scanner
D.Is delayed by about 6 seconds because this is how long it takes for the
magnetic signal to travel from the brain to the scanner
Because blood flow changes when brain activity changes, which takes around 6 seconds, the magnetic signal being captured in fMRI changes when brain activity is delayed by this amount of time.
The approach of using functional magnetic resonance imaging (fMRI) to identify dynamic patterns of activity in the functioning human brain. Although fMRI is just a few decades old, the early findings that lead to it have completely changed the way that brain activity is studied. The magnetic characteristics of deoxyhemoglobin, as well as the physiological fact that blood flow rises more than oxygen consumption when local cerebral activity increases, provide a biophysical basis for the capacity to detect changes in brain activity. When cerebral activity rises, these processes lead to a slight increase in the local magnetic resonance signal, the blood oxygenation level dependent (BOLD) effect. This pattern of activation may be assessed using current methods with spatial and temporal resolutions of up to 1 mm3 and 1 s, respectively.
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Evaluate each of the statements below. Select those that accurately describe the role of genes and chromosomes in the process of inheriting a specific trait. Choose all THREE that apply. Responses A Chromosomes are made of DNA.Chromosomes are made of DNA. B Alleles are the different forms of a gene that can exist.Alleles are the different forms of a gene that can exist. C Chromosomes contain genes that control the inheritance of traits.Chromosomes contain genes that control the inheritance of traits. D Genes are made of chromosomes and contain all of the genetic information for an organism.Genes are made of chromosomes and contain all of the genetic information for an organism. E There are 26 pairs of chromosomes in humans.
Explanation:
please explanations, questions not too clear
match the phrases to the term thy describe to test understanding of the structure of antibody molecule
The correct phrase with the term to test the understanding of the structure of antibody molecule:
1. The two arms that bind to antigen: Fab
2. Part of antibody involved in binding to various cells and molecules of the immune response: Fc
3. Region between Fab and Fc that allows swivelling of the Fab: H-inge region
4. Holds polypeptide chains together: Disulfide bonds
Аn аntibody, аlso known аs аn immunoglobulin, is а Y-shаped structure which consists of four polypeptides - two heаvy chаins аnd two light chаins. This structure аllows аntibody molecules to cаrry out their duаl functions: аntigen binding аnd biologicаl аctivity mediаtion.
Eаch function is cаrried out by different pаrts of the аntibody: frаgment аntigen-binding (Fab frаgment) аnd frаgment crystаllizаble region (Fc region).
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assuming independent assortment, why did mendel expect a 3:1 ratio of dominant to recessive phenotypes for each of the three traits in the trihybrid cross? assuming independent assortment, why did mendel expect a 3:1 ratio of dominant to recessive phenotypes for each of the three traits in the trihybrid cross? mendel predicted that when inherited together, the three traits in the trihybrid cross would always sort dominant allele with dominant allele and recessive allele with recessive allele. for these three traits, mendel observed that plants always produced progeny in a 3:1 ratio regardless of the genotypes and phenotypes of the parents. mendel predicted a 3:1 ratio because he was performing a trihybrid cross. the word root tri- means 3. mendel predicted that independently assorting traits in a trihybrid cross would behave the same way that they would if monohybrid crosses were conducted separately for each trait. submitrequest answer
Mendel predicted a 3:1 ratio of dominant to recessive phenotypes for each of the three traits in the trihybrid cross based on the principle of independent assortment.
This principle states that genes for different traits are inherited independently of each other and are passed on to offspring in a random manner. In a trihybrid cross, each trait has two possible alleles, one dominant and one phenotypes recessive. Mendel assumed that each allele traits had an equal chance of being passed on to the offspring, and that the alleles for each trait would be inherited independently of one another. Therefore, the probability of inheriting a specific combination of dominant and recessive phenotypes alleles for the three traits would be (1/2)^3 = 1/8. With 3 dominant alleles and 1 recessive phenotypes allele, this results in a 3:1 ratio of dominant to recessive phenotypes.
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For each scenario below, decide if it is describing a theory or a hypothesis and classify it accordingly. Hypothesis Theory Research has demonstrated that all living things have a common ancestor. Years of evidence have demonstrated that all living things are comprised of cells. Book Print ferences A scientist notices that a certain mold is Inhibiting bacterial growth and suggests that the mold is producing antibiotic substances A researcher notices that her plant has stopped growing and wonders if it could be because of a lack of sunlight These are plausible explanations for a single natural event These are accepted explanations for how the world works
A hypothesis in a logical setting is a testable assertion about the connection between at least two factors or a proposed clarification for some noticed peculiarity.
Straightforward speculation is something said to mirror the connection between precisely two factors. One autonomous and one ward. Consider the model, "Smoking is an unmistakable reason for the cellular breakdown in the lungs." The reliant variable, cellular breakdown in the lungs, is subject to the free factor, smoking.
Hypothesis expresses your expectations about what your exploration will find. It is a provisional solution to your exploration question that has not yet been tried. For some examination projects, you could need to compose a few speculations that address various parts of your exploration question.
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Put the sentences describing DNA replication in prokaryotes in chronological order, with the sentence describing the beginning of the process at the top.
The sentences that describe DNA replication in prokaryotes are in chronological order:
Regulаtory proteins bind to the stаrting point on the chromosome.Enzymes "unzip" the DNА molecule by breаking hydrogen bonds between bаse pаirs.Replicаtion stаrts from а single point аnd proceeds in two directions until the entire chromosome is copied.The two new chromosomes аre sepаrаted when the cell divides to form two new cells.DNА is the genetic mаteriаl thаt defines every cell. Before а cell duplicаtes аnd is divided into new dаughter cells through either mitosis or meiosis, biomolecules аnd orgаnelles must be copied to be distributed аmong the cells.
DNА, found within the nucleus, must be replicаted in order to ensure thаt eаch new cell receives the correct number of chromosomes. The process of DNА duplicаtion is cаlled DNА replicаtion. Replicаtion follows severаl steps thаt involve multiple proteins cаlled replicаtion enzymes аnd RNА. In eukаryotic cells, such аs аnimаl cells аnd plаnt cells, DNА replicаtion occurs in the S phаse of interphаse during the cell cycle. The process of DNА replicаtion is vitаl for cell growth, repаir, аnd reproduction in orgаnisms.
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Answer:
The order goes in the following:
Explanation:
Regulаtory proteins bind to the stаrting point on the chromosome.Enzymes "unzip" the DNА molecule by breаking hydrogen bonds between bаse pаirs.Replicаtion stаrts from а single point аnd proceeds in two directions until the entire chromosome is copied.The two new chromosomes аre sepаrаted when the cell divides to form two new cells.Choose the correct statement(s) on how cells regulate their sensitivity to circulating hormones. Check all that supply. Receptor-hormone interactions are similar to the enzyme-substrate interactions. Receptors chemical change their ligands. A receptor for onehormone will not bind other hormones When all the receptor molecules are occupied by hormone molecules, adding more hormone cannot produce any greater effect. Receptors do not exhibit enzyme-like specificity and saturation.
Receptor-hormone interactions are similar to the enzyme-substrate interactions.
Through endocrine signaling, a cell can communicate with another cell that is far away. When a cell releases a signaling molecule, it travels through the bloodstream to a distant target cell elsewhere in the body where it binds to receptors.
Cell sensitivity might grow or decrease depending on the quantity of hormone receptors present. Up-regulation, a reaction to growing hormone levels that makes the cell more responsive to the hormone and permits increased cellular activity, can cause the number of receptors to rise.
By transmitting and receiving signals, cells can communicate. In addition to coming from other cells, signals might also arrive from the outside world. These signals need to cross the cell membrane in order to cause a reaction. The signal itself may occasionally cross the membrane.
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one of the oldest known mammalian fossils belongs to a small furry species, hadrocodium wui, that lived 195 million years ago. for the following 100 million years, only a small number of groups of mammalian fossils are found in the fossil record. by 65 million years ago, the nonavian dinosaurs were extinct. by 55 million years ago, there were 130 mammal genera, including 4,000 different species that occupied a wide variety of habitats. Which of the following best describes the cause of the rapid increase in the number of mammalian species between 65 and 55 million years ago?
Hadrocodium woo, a little hairy animal that lived 195 million years ago, is the owner of one of the oldest mammalian remains ever discovered. Only a few tiny groups of mammalian fossils are establishing the fossil record for the next 100 million years. Dinosaurs from the Donovan Formation vanished 65 million years ago.
Early mammals were biologically diversified and experimented with gliding, swimming, burrowing, and climbing, according to the fossils. The findings are also beginning to shed light on the evolutionary roots of several of the important characteristics of Mammals,(brain) including breastfeeding, huge brains, and exceptionally acute senses.The majority of China's mammal fossils, which are incredibly detailed, were created when volcanoes buried the creatures in ash. Mammal fossils from the Mesozoic period (252 million to 66 million years ago) typically consist just of teeth and jaw fragments, while Chinese examples frequently include complete skeletons together with internal organs, skin, and fur. According to Meng, "We have a lot of detail to answer scientific questions." For instance, he is curious about the development of the mammalian ear.
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please helppp
and please put numbers beside it so it's in order thank you,
Answer:
A - throposphere, B - stratosphere, C - mesosphere, D - thermosphere
Explanation:
red line shows temperature change
A forensic toxicologist wants to determine if a victim was under the influence of LSD. Which presumptive color test would best determine if LSD was present in his urine? Also, if positive, what color will the test be?
A). Van-Urk; orange-brown
B).Marquis; blue-purple
C).Marquis; orange-brown
D).Van Urk; blue-purple
Van Urk turns blue-purple in the determining of LSD present in his urine. Thus, Option D is correct.
What is Van Urk?For the silica gel thin layer chromatographic detection and identification of indole derivatives, there is a chromogenic reagent known as the Van Urk Salkowski reagent that is sensitive and specific. The present study looked at how various farming methods affected the microbial communities in an agricultural setting.
The distribution of microbes in agricultural soils fertilised with organic, semi-organic, and conventional fertilisers was examined in light of the current farming trend. Twenty different types of agricultural fields belonging to the Bangladesh Agricultural Research Institute were used to collect the soil samples (BARI, Gazipur).
From each sample, the presence of microorganisms that play beneficial roles in soil, such as those that fix nitrogen (Rhizobium sp., Azotobacter sp.), solubilize phosphate (Bacillus sp., Pseudomonas sp., Phosphobacteria), and produce auxin (Pseudomonas sp., Serratia sp., and Bacillus
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Answer:
Van Urk; blue-purple
Explanation:
ignore what that other person said lmbo
Location One: Select two events that you predict will be observed. If I explore two continental plates at a convergent boundary, then I will observe: __________________________
A. earthquakes
B. faults
C. ocean formation
D. mountains
E. volcanoes
F. island chains
G. seafloor spreading
please pick two! ^^
Answer: Volcanoes and earthquakes
Explanation:
place the following steps in the correct order to represent the stages of transcription. rank the options below. the rna polymerase and the complementary rna strand are released along with the dna, reforming a double helix.
rna polymerase identifies the gene to be expressed.
RNA polymerase uses one strand of DNA, called the template strand, to produce a complementary RNA molecule
RNA polymerase exposes the nucleotide bases of the gene by unwiding the double helix
Transcription is the process of formation of RNA from DNA. RNA production takes place through various steps and the main enzyme responsible for it is RNA polymerase.
RNA polymerase attached to the promoter gene, after the double helix is unwounded. Complimentary nucleotides are selected as per the template strand and mRNAs are produced. When it reaches the terminator, the process stops, RNA polymerase and mRNA are released. So the correct order of step is as follows.
The RNA polymerase identify the gene which needs to be transcribed.RNA polymerase attaches to a part called promoter, which is a set of nucleotide act as the starter of the gene expression. This is called initiation. The double helix unwind and strands are separated.The RNA polymerase starts transcription, use the template strand to produce complimentary RNA. Each nucleotides are added in accordance to the base pairing. This stage is elongation.The RNA polymerase reaches the terminator, which is also a set of nucleotides that signals to stop the process. RNA polymerase as well as the RNA strand separates from DNA. Double helix is reformed. This is called termination.So, transcriptions happens mainly through 3 stages, Initiation, elongation and termination.
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in drosophila, gray body color (g) is dominant over ebony body color (g), while long wings (l) are dominant over vestigial wings (l). work the following crosses through the f2 generation, and determine the genotypic and phenotypic ratios for each generation. the cross we're using is gray, long x ebony, vestigial (both homozygous)
The cross being used is gray, long x ebony, vestigial (both homozygous).
F1 generation:
All offspring will be gray and long-winged (GgLl) because gray (G) and long wings (L) are dominant over ebony and vestigial wings.
F2 generation:
The genotypic ratio for the F2 generation will be 1GgLl : 2Ggl : 2Ggl : 1ggllThe phenotypic ratio for the F2 generation will be 3 gray, long-winged: 1 gray, vestigial-winged: 1 ebony, long-winged: 1 ebony, vestigial-wingedThe F1 generation will be all gray and long-winged because gray and long wings are dominant. The F2 generation will have a 3:1 ratio of gray, long-winged to gray, vestigial-winged, and a 1:1 ratio of ebony, long-winged to ebony, vestigial-winged.
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What are your thoughts on the concept of citizen science, and what projects/activities from SciStarter caught your eye? Would you say you personally connect more with the idea of doing scientific research, doing citizen science, or none of the above? Why?
Citizen science is an innovative concept that involves the participation of members of the public in scientific research. This concept can be beneficial for both the public and the scientific community.
By involving the public in scientific research, citizen science can increase scientific literacy, foster a sense of community, and provide valuable data that would be difficult or impossible to obtain through traditional scientific methods.
Yes, I Would say that I personally connect more with the idea of doing scientific research, doing citizen science, as it will help to ring about safe research.
What is the citizen science?eBird: This project allows people to submit observations of birds they've seen and heard. These observations are then used to track bird populations, migration patterns, and distribution.
Project BudBurst: This project allows people to observe and record the timing of leafing, flowering, and fruiting of plants in their local area. This information is then used to study the effects of climate change on plant phenology.
In conclusion, citizen science can be an effective way to engage the public in scientific research and promote scientific literacy. It can also provide valuable data that would be difficult or impossible to obtain through traditional scientific methods.
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which of the following are characteristics shared by all living things, a fact that supports the conclusion of common ancestry?
Similarities between biological molecules, like structural homologies, can reveal shared evolutionary ancestry. At their most fundamental level, all living things share: similar genetic makeup (DNA) genetic sequences that are identical or very close.
What does ancestry mean?Ancestry is the term used to describe a person's ethnic background , descent, "roots," or ancestry, as well as the place of the person's birth, the birthplace of their parents, or the birthplace of their ancestors before they immigrated to the United States. Therefore, the phrase "genealogical ancestry" refers to forebears who may be identified in a family tree and pedigree. It is frequently quantified; for instance, if one of your eight great-grandparents belongs to X, you would refer to yourself as "one eighth X."
What does ancestry check for?These tests examine a person's complete genome and a huge number of individual changes (also known as single nucleotide polymorphisms, or SNPs). To assess a person's ethnic heritage, the outcomes are compared to related SNPs in a testing database.
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is a term used to describe changes in the normal cycles of the earth's climate that are attributed to human activity. disturbances in the cycle are central to these changes. there is an imbalance between the amount of that is released into the atmosphere and the amount that is removed by natural processes like photosynthesis. much of the excess in the atmosphere, which results from activities like burning fossil fuels, is believed to dissolve in the ocean rather than accumulate in the atmosphere. what remains in the atmosphere, along with other gases, is responsible for a in global temperatures. , another term for the shift in global temperatures, occurs because of what is called , whereby increased concentrations of gases in the atmosphere absorb and radiate heat back to earth. global warming is contributing to , which is causing changes to many of the earth's ecosystems.
The term used to describe changes in the normal cycles of the Earth's global warming that are attributed to human activity is "climate change." Disturbances in the cycle are central to these atmosphere changes.
There is an imbalance between the amount of carbon dioxide that is released into the atmosphere and the amount that is removed by natural processes like photosynthesis. Much of the excess carbon dioxide in the atmosphere, which results from activities like burning fossil fuels, is believed to dissolve in the ocean rather than accumulate in the atmosphere. What remains in the atmosphere, along with other gases, is responsible for a rise in global temperatures. This is known as "global warming" and it occurs because of what is called "greenhouse effect," whereby increased concentrations of gases in the atmosphere absorb and radiate heat back to Earth. Global warming is contributing to "climate change" which is causing changes to many of the Earth's ecosystems.
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If subjected to sound frequencies of 25,000 to 100,000 cycles per second, which of the
following would be least affected?
A. a human being
B. a cheetah
C. a porpoise
D. a bat
E. a house cat.
Answer: D. a bat
Explanation:
A bat just picks up on the sound waves but does actualy hear stuff
D. A bat would be least affected by sound frequencies of 25,000 to 100,000 cycles per second. Bats use ultrasonic frequencies in their echolocation calls to navigate and locate prey, they have specialized ears and auditory systems that allow them to hear and process these high frequency sounds. While other animals like human, cheetah, porpoise and house cat would not be able to hear these ultrasonic frequencies and would not be affected by them.
Annelids
Characteristics
Annelids are the most advanced type of worms are known as
segmented worms. The segmented structure of annelids help them
move and survive predators. They can live in saltwater, freshwater,
and damp soil. Most of them are scavengers and burrow into soil or
sand.
What is a common feature of
ALL of Phylum Annelida?
A have a closed-circulatory system
B. scavenge for food
C. have a segmented body plan
D. contain anti-coagulant factors
A common feature of all Phylum Annelida is : C.) have a segmented body plan.
What features do annelids possess?The term "annelida" also refers to segmented worms. It is distinguished by having a segmented body plan, which is a characteristic shared by all individuals in this phylum. Because of their more complicated and flexible bodies due to this segmentation, they can move around and fend off predators.
Some of them may survive in a variety of habitats, including freshwater, saltwater, and moist soil. However, the majority of them are scavengers that burrow into the ground or sand. Other traits, including having a closed circulatory system or anti-coagulant substances, can differ between species.
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Place the following in order from smallest to largest
Answer:
Tributary
River
River System
A tributary is the smallest followed by the river and the river system is the largest.
Explanation:
Tributary is a small stream of water that flows into a river. A river is a larger stream of water that flows into a lake, sea or another stream. A river system is a group of rivers that discharges water into a lake or a sea.
The main difference between a tributary and a river is that a river is a large stream that carries water from higher areas to lower areas that gets ended up in an ocean while a tributary is a small river that flows into a larger river.
The river system is a drainage basin or a watershed that consists of the river, it's tributaries and groundwater resources. River systems are areas of important biodiversity and are also a home to endangered wildlife.
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A scientist discovers a putative new life form and notes that the creature's body is bilaterally symmetrical and consequently satisfies the criteria for defining life in which of the following categories?
(a) Evolution.
(b) Growth and development.
(c) Order.
(d) None, symmetry is not a basic characteristic of life.
The correct option is D ; None, symmetry is not a basic characteristic of life.
When an animal's body plan can be divided along a line that separates the animal's body into nearly equal right and left halves, it is said to have bilateral symmetry.
Most animals have a line of symmetry that divides their body into left and right sides, as well as a "head" and "tail" in addition to a top and bottom.
Flatworms, common worms ("ribbon worms"), clams, snails, octopuses, crustaceans, insects, spiders, brachiopods, sea stars, sea urchins, and vertebrates are examples of species with bilateral symmetry. An animal's symmetry is often appropriate for its lifestyle.
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fill in the blank. wilkins and franklin studied the structure of dna using___, a technique to examine molecules, and helped watson and crick determined that the shape of the molecule was a .
Wilkins and franklin studied the structure of dna using X-ray diffraction, a technique to examine molecules, and helped watson and crick determined that the shape of the molecules was a Double Helix.
X-rays diffraction through the molecule yielded a shadow picture of the molecule's structure by the X-rays bounced off its component parts.In 1953, this technique was discovered by Watson and Crick about DNA that marked a milestone of science and gave rise to modern molecular biology.
X-ray diffraction is defines as a widely used technique to assess the crystallinity and structure of solid samples. The process of scattering in which X-rays are scattered by the electrons of atoms present in the sample without changing the wavelength.It is the optical power instrument's ability to produce separate images of two adjacent points.
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Which of the following characteristics of a red blood cell increases its ability to carry oxygen to the tissues?
1) Lacking mitochondria, RBCs rely exclusively on anaerobic fermentation to produce ATP.
2) The cytoplasm of an RBC consists mainly of a 33% solution of hemoglobin.
3) RBCs lose nearly all organelles during their development.
4) The cytoplasm also contains an enzyme, carbonic anhydrase.
5) Lacking a nucleus and DNA, RBCs also are incapable of protein synthesis and mitosis.
RBCs lack mitochondria, hence they can only create ATP by anaerobic fermentation.
Red blood cells were designed to carry oxygen. They feature a bi-concave form that optimizes their contact area to absorb oxygen, a thin membrane that allows gases to readily permeate through it, are small & flexible so they may fit through small vessels, and contain haemoglobin, which binds to oxygen. Red blood cells can bend and stretch, they can cling to certain other cells, and they can communicate with immune cells. Their membrane has a variety of effects on this. The composition of the membrane has a significant impact on these functions. The protein that transports oxygen is called haemoglobin, and it is almost exclusively located in red blood cells (RBCs) rather than dispersed in plasma. Relative to a flat disc of the same size, the cell's biconcave shape has a larger surface area.
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The cytoplasm of red blood cells RBC mainly consists of a 33% solution of hemoglobin these features increase the capacity to carry oxygen to tissues. Here option 2 is the correct answer.
Hemoglobin is an iron-containing protein that binds to oxygen and gives red blood cells their characteristic red color.
The high concentration of hemoglobin in the cytoplasm of red blood cells allows them to carry a large amount of oxygen, which they can then transport to the tissues throughout the body. This characteristic is key to the red blood cells' ability to carry oxygen.
All the other options mentioned are correct as well, but they don't have a direct relationship with the ability of red blood cells to carry oxygen. Lacking mitochondria, RBCs rely exclusively on anaerobic fermentation to produce ATP, and RBCs lose nearly all organelles during their development.
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The condition of the atmosphere at a specific time and place is called _______
A ocean currents
b climate
C air currents
D weather
Need help ASAP
The condition of the atmosphere at a "given place and time" is called Weather.
Answer: Option D
Explanation:
Weather is characterized as the different environmental conditions which incorporate precipitation, temperature, wind, mugginess and other meteorological components, and so on in a district over a significant lot.
Weather of earth can be dictated by environment or elevation of an area. It can be influenced because of different elements which incorporate human exercises like consuming non-renewable energy source, cutting down timberland, neighborhood land highlights like mountains etc.
as a serious dancer, justine watches what she eats. she knows that she is underweight, but fears that if she starts eating more that she will get fat. in addition to a preoccupation with food, she has also stopped menstruating. her behaviors suggest that she might be suffering from . anorexia nervosa bulimia nervosa compulsive exercise phobic disorder
As, justine watches what she eats, she knows that she is underweight, but fears that if she starts eating more that she will get fat and in addition to a preoccupation with food, she has also stopped menstruating, her behaviors suggest that she might be suffering from anorexia nervosa
Anorexia nervosa can be defined as eating disorder characterized by an abnormally low body weight also the patient have an intense fear of gaining weight and a version and perception of weight.
anorexia also has many symptoms like, the sense of fatigue, sluggish behavior, dry and yellow skin, vomiting, thinning of bones, having brittle hairs and nail, some serious could be Cardiac complication or Heart, kidney and liver failure.
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in achieving stable molecular configurations, which of these five atoms will bond with the fewest number of hydrogen atoms, and which will bond with the most? oxygen will bond with the fewest number of hydrogen atoms (2); phosphorus will bond with the most (5). both oxygen and sulfur will bond with the fewest number of hydrogen atoms (2); carbon will bond with the most (4). both phosphorus and sulfur will bond with the fewest number of hydrogen atoms (2); nitrogen will bond with the most (5). nitrogen will bond with the fewest number of hydrogen atoms (3); sulfur will bond with the most (6).
Carbon will bond with the majority of hydrogen atoms, whereas oxygen and sulphur will bond with the least (2).
(4). Chemical bonds, also known as electrical forces, may be categorised into five different groups: ionic, covalent, metallic, van der Waals, & hydrogen bonds. Two oxygen atoms are bound together by a covalent connection to form the diatomic molecule known as molecular oxygen (O2). Many organic compounds contain the carbon-hydrogen bond (C-H bond), which is a chemical link between hydrogen and carbon atoms. Since there is just one covalent link present, up to four hydrogen atoms can share the outer valence electrons that belong to carbon. Hydrogen bonds develop between nearby oxygen and hydrogen of adjacent water molecules in the case of water.
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What happens to gland cells during anaphase?
Chromosomes break at centromeres, and sister chromatids move to opposite ends of cell.
Anaphase is a division of the eukaryotic cell that involves separating the chromosomes to opposite poles of the cell.
The DNA variations intended for different cells, ensuring variability in population genetics when homologous pairs are separated during anaphase.
The third phase of meiosis is called anaphase I. It involves the movement of chromosomes from one meiotic cell to another through a microtubule apparatus known as the spindle network.
During anaphase, the chromosomes are transferred from one side of the cell to other. This process is known as a breakdown of microtubule network. It causes the fibbers of microtubules to shorten.
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