Question

In E. coli, the presence of isoleucine shuts down the enzymatic pathway that results in the synthesis of isoleucine. This is an example of __________.

Answer 1

Answer: Feed-back inhibition

Explanation:

When the final product of a biochemical pathway signal the inactivation of the starting materials of the pathway, feed-back inhibition is said to have occurred.

In this case, the amino acid, isoleucine signal the inactivation of its starting material. Thus, it is an example of feed-back inhibition