This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
The following is not a function of rough endoplasmic reticulum: 
Select and explain. 
A. Protein synthesis, B. Protein folding, C. Degradation of miss folded proteins, D. Steroid synthesis
D: Steroid synthesis
Answer: D: Steroid synthesis 
Explanation: Rough endoplasmic reticulum is associated with: Protein synthesis Protein folding Degradation of miss folded proteins Steroid synthesis is function of smooth endoplasmic reticulum. Ref:Guyton and Hall textbook of medical physiology 12th edition,page number: 10,11,12