The common general mechanism for regulation of amino acid biosynthesis involves feedforward activation by accumulating precursors. allows for little coordination between the pathways, resulting in the need for the liver to constantly monitor and adjust amino acid composition of the blood. involves feedback inhibition by the end product of the pathway. involves covalent regulation of the first committed step of each pathway.

Question

Harris

Biology

7 October, 05:47

The common general mechanism for regulation of amino acid biosynthesis involves feedforward activation by accumulating precursors. allows for little coordination between the pathways, resulting in the need for the liver to constantly monitor and adjust amino acid composition of the blood. involves feedback inhibition by the end product of the pathway. involves covalent regulation of the first committed step of each pathway.

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Erika Kidd · Answer 1

involves feedback inhibition by the end product of the pathway.

Explanation:

Amino acid biosynthesis is an anabolic process which forms amino acids from many types of precursors like keto acids. It is regulated by feedback inhibition. The end product of the process inhibits its own synthesis after a certain limit has been reached.

In amino acid biosynthesis pathways mostly the first step is regulated by feedback inhibition. For example, Serine amino acid inhibits its own synthesis by inhibiting 3-Phosphoglycerate dehydrogenase enzyme which is involved in the first step of its production.