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 decreases fluidity of the membrane: 
Select and explain. 
A. Stearic acid, B. Carbohydrates, C. Linoleic acid, D. Cholesterol
A: Stearic acid
Answer: A: Stearic acid 
Explanation: Saturated fatty acids decrease membrane fluidity Eg: stearic acid, palmitic acid are major