Answer:
C. ) The foxes will have a ten-year population cycle.
Explanation:
Under what conditions can pieces of DNA be artificially combined?
Answer:
Combining pieces of DNA artificially is known as DNA cloning, the DNA formed is known as recombinant DNA.
Explanation:
The donor DNA that is to be combined is cut into fragments in specific sequences using restriction enzymes which are individually introduced to replicating DNA molecules such as bacterial plasmid known as vectors.
The process is Isolating -> Cloning -> Sequence DNA.
Centromers split during ...
A. Prophase
B.metaphase
C. Anaphase
D. Telophase
Answer:
C
Explanation:
Meiosis: The centromeres do not separate during anaphase I, but during anaphase II.
Mitosis: The centromeres split during anaphase.
Answer: prophase II
Explanation:
Just did the assignment
Which of the following is an example of a physical trait? A. nesting B. hair color C. burrowing D. cystic fibrosis
Answer:
B. hair color
Explanation:
A physical trait generally means something you can see with the naked eye and discern what it is. Hair color is a physical trait, because you can tell what the person's general hair color is just by looking at it.
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Answer:
B) hair color
Explanation:
um a physical traits are features or characteristics about your body so I eliminated the answer choices that were not features about your body and that's how I got my answer
i'm bad at explaining
You are researching an enzymatic protein in the lab and make the following observations. The usual form of the protein is globular (spherical) however, when a sample of the protein is treated with a chemical that reduces disulfide bonds, the rate of enzymatically driven product formation decreases dramatically and multiple globular proteins can be detected in the sample. From these observations you conclude: A. The primary structure of the protein contains multiple cysteine residues that are hydrolyzed by the chemical reductant. B. The protein is most likely composed of multiple polypeptide chains that are held together by disulfide bonds C. The protein is most likely composed of a helices that are held together by disulfide bonds. D. The primary and secondary structure of the protein depends on disulfide bonds. E. None of the provided statements are reasonable conclusions based on the observations,
Answer:The protein is most likely composed of multiple polypeptide chains that are held together by disulfide bonds
Explanation:
The Disulfide bonds in protein membranes are usually seen in bacteria and eukaryotes.
Answer:
Option B
Explanation:
Since the usual shape of the protein is supposed to be globular and even after treatment, it still produces the same globular proteins despite the reduction of its disulphide bonds.
The disulphide bonds should have disrupted the shape formation if it had been a mechanism for its shape formation but since multiple globular polypeptide resulted from the treatment it can be assumed that the multiple polypeptide chains are held together by disulfide bonds which are hydrolyzed by the chemical.
a. Which form of nitrogen in the soil is NOT usable by organisms?
b. Why is this form not usable? Be specific.
c. How can this form be made usable to organisms?
Answer:
A)Fixation. Nitrogen in its gaseous form (N2) can't be used by most living things
B) it can not be used because it most be converted or, ’fixed’ to a more useable form. To do this it goes through a process called fixation.fixation is the change in a gene pool from a situation where there exists at least two variants of a particular gene (allele) in a given population to a situation where only one of the alleles remains.
C) This form can be made more usable if it’s converted. It has to go through the process of fixation so the gene pool changes.
Explanation:
Nitrogen in the form of gas i.e., nitrogen molecule (N₂) in soil is not usable by the plants. This form cannot be used by the plants as plants do not have any enzyme which can use this molecule.
What is Nitrogen fixation?Nitrogen fixation is any natural or industrial process that causes free nitrogen (N₂), inert gas in air, to combine chemically with other reactive elements to form more-reactive nitrogen compounds such as ammonia, nitrates, or nitrites that can be used by the plants.
Nitrogen in its gaseous form (N₂) cannot be used by most of the living things. Plants do not have the required enzymes to use of atmospheric nitrogen. This molecule has to be converted or 'fixed' to a more usable form through a process called fixation. This requires specific enzymes and conditions.
Nitrogen molecule converted into nitrate, nitrite, and ammonia by the plants through the process of nitrogen fixation are then used by the plants and other living organisms.
Learn more about Nitrogen fixation here:
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