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: Physiology
Not a glycoprotein: 
Select and explain. 
A. FSH, B. LH, C. TSH, D. GH
D: GH
Answer: D: GH 
Explanation: TSH, FSH, LH, hCG  are glycoprotein hormone. GH is a protein hormone.