7, Vesicles originally come from A. Pinched off ends of B. Pinched off ends of G

Question

7, Vesicles originally come from A. Pinched off ends of B. Pinched off ends of Golgi apparatus D. All of the above. A. Assembly of the SNARE complex. Vesicles entering the readily releasable pool. C. Approach of vesicles to the active zone. D. All of the above. 9. N nitter exocytosis into the synapse depends on: A. Na ?.K' ?. ??". D. ATP. 10. This m ion (see #9 preceding) binds which of the following proteins? A. SNAP-25. B. Syntaxin. C. Synaptobrevin. D. Synaptotagmin. 11. When a vesicle is to be recycled, which protein forms a cage aroand the endocytosed membrane that will eventually become the vesicle? A. SNAP-25 B. Synaptotagmin. C. Clathrin. D. Dynamin andad are vesicle proteins, which "SNARE" the plasa mermbrane 12 proteins A. SNAP-25, syntaxin; synaptobrevin, syrapiotagnint B. SNAP-25, synaptobrevin; synaptotgmin, syntaxin C. Synapt?tagmin, synaptobrevin: SNAP 25 syntaxin. natobrevin, SNAP-25; synaptotagmin, syntaxin, D. Sy refers to chemical synapses, mark A: if electrical synapses, mark B chemical sy For Questions 13-21, if the property if both, mark C; if neither, mark D 13. Cells are separated by gap junctions 14. Connexons proteins. cells have absolutely no physical contact with each oher 16. Communication is via 17. Communication is via ion neurotransmitters chaninels is viqtually instantaneous (fist) tmong between cells symmetrical 19. Tend to be morphologically

Explanation / Answer

7. D. All the above

8. D. All

9. C. Ca2+

10. D. Synaptotagmin

11. C. Clathrin

12. C. Synaptotagmin, synaptobrevin; SNAP 25, syntaxin

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