This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General physiology, Subject name: Physiology
Which of the following is not a Sarcolemmal P proteins? 
Select and explain. 
A. Sarcoglycan, B. Dystrophin, C. Dystroglycan, D. Perlecan
D: Perlecan
Answer: D: Perlecan 
Explanation: Perlecan is a large multidomine proteolycan that binds to and cross links many ECM components and cell surface molecules Ref:Guyton and Hall textbook of medical physiology 12th edition,page number:8,9,10