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Transmission of a nerve impulse to its target cell requires: a. endocytosis of neurotransmitters by excitatory presynapticvesicles. b. the release of thousands of molecules of neurotransmitterstored in the postsynaptic cell into the synaptic cleft. c. Ca 2+ ions to diffuse through voltage-gated Ca 2+ channels. d. a fall in Ca 2+ in the cytoplasm to trigger a protein that causes the presynaptic vesicle to fuse with the plasma membrane. e. an action potential to open the Ca 2+ gates so that Ca 2+ ions, in higher concentration outside the axon, can flow back into the cytoplasm of the neuron.

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Biology: The Dynamic Science (Mind...

4th Edition
Peter J. Russell + 2 others
Publisher: Cengage Learning
ISBN: 9781305389892
BuyFind

Biology: The Dynamic Science (Mind...

4th Edition
Peter J. Russell + 2 others
Publisher: Cengage Learning
ISBN: 9781305389892

Solutions

Chapter
Section
Chapter 39, Problem 9TYK
Textbook Problem

Transmission of a nerve impulse to its target cell requires:

a. endocytosis of neurotransmitters by excitatory presynapticvesicles.

b. the release of thousands of molecules of neurotransmitterstored in the postsynaptic cell into the synaptic cleft.

c. Ca2+ ions to diffuse through voltage-gated Ca2+ channels.

d. a fall in Ca2+ in the cytoplasm to trigger a protein that causes the presynaptic vesicle to fuse with the plasma membrane.

e. an action potential to open the Ca2+ gates so that Ca2+ ions, in higher concentration outside the axon, can flow back into the cytoplasm of the neuron.

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