Sympathetic Nerve Fibers Trigger the Secretion of Nitric Oxide,which Dilates

question 40

True/False

Sympathetic nerve fibers trigger the secretion of nitric oxide,which dilates the deep arteries allowing blood to engorge the penis.

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Definitions:

Chemical Reactions

Processes that involve the rearrangement of molecular or ionic structure of substances, resulting in new products with different properties.

Transport Protein

A protein that aids in the movement of substances across a cell membrane.

Quaternary Structure

The overall conformation of a protein produced by the interaction of two or more polypeptide chains. Compare with primary, secondary, and tertiary protein structure.

Polypeptide Chains

Long chains of amino acids linked by peptide bonds, which fold into specific three-dimensional structures to form proteins.