This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General, Subject name: Physiology
Clathrin is used in 
Select and explain. 
A. Receptor mediated endocytosis, B. Exocytosis, C. Cell to cell adhesion, D. Plasma membrane
A: Receptor mediated endocytosis
Answer: A: Receptor mediated endocytosis 
Explanation: Ans. (a) Receptor mediated endocytosisClathrin is involved in receptor mediated endocytosisClathrin is required for the endocytosis of LDL receptor cholesterol, transferrin bound iron, Nerve growth factor (Neurotrophins), hormones(insulin), epidermal growth factor