Which of the following process involves membrane fusion? A) exocytosis B) endocy

Question

Which of the following process involves membrane fusion? A) exocytosis B) endocytosis C) viral infection D) sperm and egg fertilization E) All of the above. Structure of aquaporin is given below. What is the role of Arg^195? A) To form a hydrogen bond with His^. B) To limit the number of water molecules that pass through. C) To limit the speed of water molecules that pass through. D) To filter out hydronium ions. E) None of the above. Which statement regarding the figure below is correct? A) 1 is antiport, 2 is antiport, 3 is symport. B) 1 is antiport, 2 is uniport, 3 is symport. C) 1 is symport, 2 is uniport, 3 is antiport. D) 1 is symport, 2 is antiport, 3 is uniport. E) None of the above.

Explanation / Answer

1.E:All of the above

2.E:None of the above

3.C:1 is symport 2 is uniport 3 is antiport

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