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
FSH, LH, TSH acts through 
Select and explain. 
A. Cyclic AMP, B. Cyclic GMP, C. Adenosine cyclate, D. Calcium release
A: Cyclic AMP
Answer: A: Cyclic AMP 
Explanation: None