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MArishka [77]
3 years ago
11

In small quantities, alcohol can be mistaken for a stimulant because it: a. stimulates the sympathetic nervous system b. speeds

up the respiration and heart rate c. inhibits control of emotions d. induces sleep e. affects the cerebellum
Biology
1 answer:
coldgirl [10]3 years ago
6 0

Answer:

C. inhibits control of emotions

Explanation:

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Calculate the minimum number of nucleotides required in the coding region of the LDS2B mRNA molecule to produce and terminate th
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1698 is the minimum number of nucleotides required in the coding region of the LDS2B mRNA molecule to produce and terminate the 565-amino acid polypeptide.

TWO reasons why the number of nucleotides in the mature RNA may differ from the number of base pairs in the gene are:

i) because gene contains non coding sequence also called as introns +exons while mature mRNA contains only exons.

ii) genes have promoter region while mature mRNA does not have so.

Explanation:

The minimum number of nucleotides in the coding region of a mRNA sequence or molecule is number of amino acids multiplied by three. There are triplet codon or 3 nucleotides which code for an amino acid.

number of nucleotides = number of amino acids x 3

number of nucleotides = 565 x 3

number of nucleotides= 1695 nucleotides

The stop codon would also be added as it is a part of mature RNA so

1695 + 3 = 1698

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2) Genes consist of promoter region which are not transcribed hence not transferred to mRNA. Although mRNA is transcribed using the promoter region.

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If the child is a boy, there is a 100% chance that he will inherit the disease. 

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