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
17-a hydroxylase is not involved in the pathway for synthesis of ? 
Select and explain. 
A. Coisol, B. Aldosterone, C. Androsteredione, D. Testosterone
B: Aldosterone
Answer: B: Aldosterone 
Explanation: Ans. is 'b' i.e., Aldosterone