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Nuetrik [128]
2 years ago
6

In earthworms, what do the nerve cord, the setae, the circular muscles, and the metanephridia have in common?.

Biology
1 answer:
Ratling [72]2 years ago
8 0

They are serially repeated in the segments of the body. has programmed cell death and therefore is useful in cancer and AIDS research.

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Answer:

The correct answer is C) 8 exons.

Explanation:

If we assume that each domain matches with an exon, and we have a 6 domain protein (domain= the functional regions of the protein that include the active site), there must be at least 6 exons in the gene. Also, remember that exons include the 5'- and 3'- untranslated regions or UTR. So, assuming that each unstraslated region is equivalent to an exon, there must be at least 8 exons in the gene (6 exon for each domain and one 2 exons for UTR).

Anyway, be careful, because this is a simple exercise where we assume a lot of things. In the real world, the first exon tends to include the 5'-UTR and it is already proved that one exon is not always equivalent to one protein domain.

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3 years ago
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4 years ago
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That would be 0%. An organism with a genotype of (ss) can only produce the s allele within their gametes. So the probability of their gametes containing an s allele would be 100%, while the S allele would be 0%.
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Use the information below to answer the remaining questions.
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