Question

Neurotransmitters can affect postsynaptic cells by I) initiating signal transduction pathways in the cells II) causing molecular changes in the cells III) altering ion channel proteins IV) altering the permeability of the cells _______. A. I and III B. II and IV C. III and IV D. I, II, III, and IV

Answer 1

Neurotransmitters can affect postsynaptic cells by causing molecular changes in the cells.

The term "chemical messengers of the body" is frequently used to describe neurotransmitters. The nervous system uses these molecules to send information between neurons or from neurons to muscles. A neurotransmitter influences a neuron in one of three ways: excitatory, inhibitory or modulatory.

When a stimulus is potent enough, the chemical messenger neurotransmitter is transferred into the nerve impulse. If it is powerful enough, it will reach the postsynaptic cell and affect the structure of the neuron. And when signal transduction happens, everything mentioned above is completed.

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