) What happens as a result? Choose ALL that apply. (2 points) a) activate G-protein coupled receptor b) depolarize the presynaptic terminal c) mobilize vesicles from the storage pool d) produce exocytosis of vesicles in the readily releasable pool e) repolarize the presynaptic terminal
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This activation leads to a cascade of intracellular signaling events. Show more…
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Which of the following is the most direct results of depolarizing the postsynaptic membrane of an axon terminal? A) an IPSP is generated in the postsynaptic cell B) an EPSP is generated in the postsynaptic cell C) synaptic vesicles fuse with the presynaptic membrane
Adi S.
IPSPs (a) excite presynaptic neurons (b) excite postsynaptic neurons $(\mathrm{c})$ cancel the effects of some EPSPs (d) release large amounts of neurotransmitters (e) are released by postsynaptic cell bodies
1. Presynaptic receptors: Select one: A. control the amount of neurotransmitter release B. inactivate neurotransmitters C. are involved in the re-uptake of neurotransmitters D. mediate the generation of inhibitory postsynaptic potential (IPSP) 2. Which of the following activities is not shown by G-proteins? Select one: a. interaction with the neurotransmitter b. hydrolysis of GTP c. activation of adenylate cyclase (AC) d. inhibition of adenylate cyclase (AC)
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