 
			 
			MCQOPTIONS
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				| 1. | Which of the following serves as a specific binding site for the proteins involved in membrane fusion during exocytosis? | 
| A. | Phosphatidylinositol | 
| B. | Phosphatidylinositol 4, 5-biphosphate | 
| C. | Phosphatidylinositol 3, 5-biphosphate | 
| D. | Phosphatidylinositol 3, 4-biphosphate | 
| Answer» C. Phosphatidylinositol 3, 5-biphosphate | |