Answer:
Organ Physiology.
Explanation:
The study of organs of a body, its functions along with cells and tissues is referred to as Organ physiology. In this study whole organ functions are observed and studied.
Systematic physiology is study related to specific organ functioning such as cardiovascular system etc.
Regional anatomy is study related to various divisions of body and relation between various structures of arteries, veins and muscles.
Answer:
B. processes to make them take longer than a human's lifetime
Answer:
D
Explanation:
Chromosomal rearrangements are no more likely to occur in mammals than other vertebrates
Translocations and inversions can be extremely deleterious, for example, if the break point is within a gene, that gene would be dysfunctional, or a new harmful fusion gene could be created
Rearrangements are not more likely to occur in mitosis than meiosis
A homozygous deletion for a gene means none of that gene product will be made. If this product is important, this could cause problems for that individual. An individual that is homozygous for a duplication still has a copy of the gene, so while they may face some problems owing to the overexpression of the gene, it is more likely that not having the gene at all will be more problematic (depending on the gene of course!)
The use of mRNA and reverse transcriptase in this case is part of a strategy to solve the problem of post-transcriptional processing. So the correct option is A.
<h3>What is post-transcriptional processing? </h3><h3> </h3>
The process of transcription results in the formation of a heterologous nuclear RNA (hnRNA) or a precursor RNA (PreRNA). This undergoes post-transcriptional processing to form mRNA. Following are the steps -
- Splicing - it removes the non-coding introns so that only coding regions called exons remain.
- Capping - a 5'-methylguanosine triphosphate is attached at the 5' end of the RNA.
- Tailing - About 200 polyadenylate residues attach at the 3' end of the RNA.
These processes result in the formation of mRNA.
Therefore the correct option is A.
Read more about RNA processing, here
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