Acetylcholine Is the Main Neurotransmitter Released by

question 51

Multiple Choice

Acetylcholine is the main neurotransmitter released by

• A)preganglionic sympathetic neurons and cells of the adrenal medulla.
• B)cells of the adrenal medulla and postganglionic parasympathetic neurons.
• C)motor neurons and postganglionic sympathetic neurons.
• D)preganglionic sympathetic neurons and postganglionic sympathetic neurons.
• E)preganglionic sympathetic neurons and motor neurons.

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Definitions:

Reinforcement

Reinforcement refers to the increase of reproductive isolation between populations through selection against hybrid offspring.

Pre-mating Isolation

Mechanisms that prevent mating or fertilization between potential breeding pairs, contributing to species separation and evolution.

Allopatric

Referring to populations of a species that are geographically separated, leading to genetic divergence and potentially speciation.

Allopatric Speciation

A mode of speciation occurring when biological populations of the same species become isolated from each other to an extent that prevents or interferes with genetic interchange.