Select the true statementabout unmyelinated axons:A. action potentials occur everywhere along the length of the axon, and propagation is faster than in myelinated axons. B. action potentials occur everywhere along the length of the axon, and propagation is slower than in myelinated axons. C. action potentials occur only at some points along the axon, and propagation is fasterthan in myelinated axons. D. action potentials occur only at some points along the axon, and propagation is slower than in myelinated axons. E. Unmyelinated axons do not exhibit action potentials.

The correct statement is - option B.

Explanation:

Unmyelinated axons are the axon that lacks the covering of scwann cells that form the myelin sheath which helps in the transfer or transmit the signals faster and more effectively in neurons. It acts as the insulating layer.

In absence of the myelin sheath, the action potential found everywhere along the length of the axon which leads to slow propagation than in myelinated axons.

Thus, the correct answer is - option B.

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