Studies of Hormonal Influences on Aggression Indicate That

question 83

Multiple Choice

Studies of hormonal influences on aggression indicate that

• A)hormonal influences are as strong in humans as they are in lower animals.
• B)after age 25,testosterone and rates of violent crime decrease together.
• C)variations in testosterone seem to have no effect on behavior within the normal range of teen boys and adult men.
• D)higher rates of testosterone are associated with less aggressiveness in males.

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Definitions:

Ion Channel-linked Receptor

A type of membrane receptor that can open or close an ion channel in response to the binding of a signaling molecule, thus affecting cell function.

Nicotinic Acetylcholine Receptor

A type of receptor found in the nervous system that responds to the neurotransmitter acetylcholine, playing a key role in muscle contraction and many other physiological functions.

Upregulation

The process of increasing the quantity or activity of a molecular component, often referring to gene expression or protein levels in cell biology.

Downregulation

The process by which a cell decreases the quantity of a cellular component, such as RNA or protein, in response to an external variable.