Single Choice

A diagram showing axon terminal and synapse is given. Identify correctly at least two of A-C.

AA- Receptor, C- Synaptic vesicles
Correct Answer
BB- Synaptic connection, C- $$K^{+}$$
CA- Neurotansmitter, B- Synaptic cleft
DC- Neurotransmitter, B- $$Ca^{++}$$

Solution

The synaptic vesicles (represented by C) are present inside the axon terminals and they contain the neurotransmitters. They get attached to the pre-synaptic membrane and release the neurotransmitter in the synaptic cleft (represented by B) which gets attached to the receptor (represented by A) present on post-synaptic membrane.
Thus, the correct solution is option A.

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