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 major mineral in the cell membrane is: 
Select and explain. 
A. Cholesterol, B. Calcium, C. Sodium, D. Phosphorus
D: Phosphorus
Answer: D: Phosphorus 
Explanation: Phosphorus is the major mineral in cell membrane It is present in the form of phospholipid