In cholesterol synthesis, which is rate limiting amino acid: (A) HMG CoA reductase, (B) HMG CoA synthetase, (C) 7 alpha hydroxylase, (D) Phosphofructokinase
Answer is A. Ans. is 'a' i.e. HMG CoA reductase In cholesterol synthesis this step-HMG CoA - Mevalonate is the rate limiting step and HMG-CoA reductase is the rate limiting enzyme.HMG CoA synthetase is the rate limiting enzyme for ketone bodies synthesis* 7 alpha hydroxylase is for - Bile acid synthesis* Phosphofructokinase is for - Glycolysis*