In a Positive-Feedback System in Which Hormone a Alters the Amount

question 16

Multiple Choice

In a positive-feedback system in which hormone A alters the amount of protein X

• A)an increase in A always produces an increase in X.
• B)an increase in X always produces a decrease in A.
• C)a decrease in A always produces an increase in X.
• D)a decrease in X always causes a decrease in A.
• E)it is impossible to predict how A and X affect each other.

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Definitions:

Degeneration

The process of deterioration or decline in quality, function, or condition, often related to organs, tissues, or cells in the body.

Warm Up

The practice of preparing the body for physical activity by gradually increasing the heart rate and circulation; this also loosens the joints and increases blood flow to the muscles.

Stretching

A form of physical exercise aimed at improving flexibility and muscle elasticity by lengthening specific muscles or tendons.

Sex Differences

Variations in characteristics, behaviors, or conditions between males and females, often influenced by biological, psychological, or social factors.