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Solution

Answer 1. During action potential, voltage gated channels are opened and closed.

These could be votage gated sodium channels, voltage gated potassium channels or even voltage gated calcium channels. These channels undergo polarization and depolarization to open and close.

Answer 2: The \'axon terminal\' is the part of neuron that transmits the signal to the next neuron.

Dendrites of the neuron receive the signal. Soma is the cell body which contains the nucleus. An axon is a long projection of a nerve cell that conducts electrical impulses away from the soma. Axon terminal is end of a branch of nerve\'s axon that ultimately transmits electrical signals to the nerve synapse.

Answer 3: In a resting neuron, the neuromembrane is less permeable to sodium than potassium.

When the neuron is at rest, the Na⁺/K⁺ Pump creates a concentration gradient; it moves three Na+ ions out of the cell and two K⁺ ions into the cell.