KCET · BIOLOGY · STD 11 - 18. Neural Control and Coordination

Identify the correct sequence of action potential as it arrives at the axon terminal from the choices given below:

A Axon terminal → Post-synaptic membrane → Syn-aptic cleft → Synaptic vesicles Postsynaptic neuron
B Axon terminal → Synaptic vesicles → Postsynap-tic membrane → Synaptic cleft → Post-synaptic neuron
C Axon terminal → Synaptic vesicles → Synaptic cleft → Post-synaptic membrane → Post-synaptic neuron
D Axon terminal → Synaptic cleft → Synaptic vesicles → Post-synaptic neuron → Post-synaptic membrane

Verified Solution

Answer & Solution

Correct Answer

(C) Axon terminal → Synaptic vesicles → Synaptic cleft → Post-synaptic membrane → Post-synaptic neuron

Step-by-step Solution

Detailed explanation

Apply the relevant identity from the chapter and substitute the values established in the previous step, keeping the original constraint in view.

Use the simplified expression to isolate the unknown, then plug the result back into the question setup to confirm the working is internally consistent.

Cross-check against a boundary or limiting case. Both the dimensional balance and the qualitative behaviour at the extreme should agree with the candidate answer.

Combine the steps above to identify the correct option. The remaining choices each fail at least one of the consistency, dimensional, or boundary checks.

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