Asked by palaksophia | 29th Sep, 2009, 04:25: PM

Expert Answer:

In chemical synapses the swollen tip of the axon of the presynaptic neuron is called the synaptic knob. It contains vesicles of neurotransmitter substance. Synaptic vesicles are membrane sacs that store neurotransmitter molecules ready for release near the presynaptic membrane.

Kindly post the remaining questions separately.

Answered by  | 30th Sep, 2009, 07:28: PM

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