Question

Following digestion and absorption, amino acids become part of the cellular amino acid pool. If an...

Following digestion and absorption, amino acids become part of the cellular amino acid pool. If an amino acid is not used to build protein, it will be subjected to which of the following in preparation for another fate?

a.

removal of its amino group
b.

removal of its carboxyl group
c.

hydrolysis of its peptide bond
d.

condensation of its peptide bond
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Answer #1

The answer is ----- a . Removal of its amino group.

Explanation :

The amino acid is used to build protein. Hormones , enzymes are all made up of amino acids. If amino acids are found to be excess in our body, there is no mechanism to store these amino acids . Therefore, the amino acids are converted into glucose molecules or either they are decomposed. The products of decomposition of amino acids are nitrogenous waste which are then removed by our body through urine. Therefore, the option ' a ' which says , removal of its amino group is correct answer.

Thank you.

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