Examlex
With almost no exceptions,the nitrogen fixers are
Acetylcholinesterase
An enzyme that breaks down acetylcholine, a neurotransmitter, in the synaptic cleft, effectively terminating the signal between nerve cells.
Synaptic Vesicles
Membrane-bound sacs in the presynaptic terminal of a neuron that store neurotransmitters which are released into the synaptic cleft during neurotransmission.
Voltage-Gated Channels
Protein channels in cell membranes that open or close in response to changes in membrane voltage, crucial for nerve impulse transmission.
Exocytosis
The process by which cells transport molecules out of the cell by the fusion of vesicles with the plasma membrane.
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