A series of enzymes catalyze the reactions illustrated in the following metabolic pathway:
X → Y → Z → A.Product A binds to the enzyme that converts X to Y at a position remote from its active site.This binding of A decreases the activity of the enzyme that converts X to Y.What is substance X?

Question

Quizplus · Accepted Answer

Substance X is a substrate because it is the initial molecule that undergoes transformation in the metabolic pathway described, starting the series of reactions leading to the production of Product A.

A Series of Enzymes Catalyze the Reactions Illustrated in the Following