<prompt> In cholesterol synthesis, which is rate limiting amino acidHMG CoA reductaseHMG CoA synthetase7 alpha hydroxylasePhosphofructokinase  <response>: 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 