Question

Which of the following is false about feedback regulation?

(a) It is a type of enzymatic activity regulation

(b) The synthesis of concerned enzyme is inhibited by interfering with the gene of that enzyme

(c) Concentration of enzyme is reduced by the end product

(d) The best example is the biosynthesis of L-isoleucine from L-threonine in bacteria

I have been asked this question in semester exam.

My query is from Regulatory Enzymes topic in chapter Enzymes, Carbohydrates and Gycobiology of Biochemistry

Answer 1

The correct choice is (d) The best example is the biosynthesis of L-isoleucine from L-threonine in bacteria

The best I can explain: The best example is reduction of HMG CoA reductase enzyme by dietary cholesterol.