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Sar1 is a _______(a) carbohydrate(b) glycolipid(c) G-protein(d) alkaliI had been asked this question by my college professor while I was bunking the class.Enquiry is from Cytoplasmic Membrane Systems in chapter Cytoplasmic Membrane Systems of Cell Biology

Answer»

The correct choice is (C) G-protein

To explain: Among COPII PROTEINS, SAR1 is a G-protein which initiates vesicle formation and regulates the assembly of the vesicle COAT. G-proteins function as molecular switches inside the cells.



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