This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Biochemistry
Hypolipidemic agents act on: 
Select and explain. 
A. HMG CoA synthetase, B. HMG CoA oxygenase, C. HMG CoA reductase, D. HMG CoA hydratase
C: HMG CoA reductase
Answer: C: HMG CoA reductase 
Explanation: C i.e. HMG COA reductase