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Synaptic Vesicles Discussed

Synaptic Vesicles are (Choose all that Apply)

Are contained within the postsynaptic cell cytoplasm

Fuse with the presynaptic membrane in response to increased intracellular calcium concentration

House the neurtransmitters that will ultimately be released into the synaptic cleft in response to an action potential arriving at the nerve terminal.

are small membrane-bound organelles

contain proton pumps (within there membranes) which provide the driving force for filling of the vesicles with neurotransmitter.

Solution Preview

Hello!

Please refer to the following diagram for a picture of synaptic vesicle mechanism.

http://www.cs.stedwards.edu/chem/Chemistry/CHEM43/CHEM43/NeuroT/neuron1.jpg

Short definition:
A small membrane-bound package or organelle which contains a neurotransmitter; it is ...

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