The Secretion of Hormone a Causes a Change in the Amount

question 53

Multiple Choice

The secretion of hormone A causes a change in the amount of protein X in an organism. If this mechanism works by positive feedback, which of the following statements represents that fact?

• A)An increase in A produces an increase in X.
• B)An increase in X produces a decrease in A.
• C)A decrease in A produces an increase in X.
• D)A and B are correct.
• E)B and C are correct.

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Definitions:

Experimental Group

In research, a group of subjects who are exposed to the variable under study to ascertain its effect on them, in contrast to a control group.

Married Couples

Two individuals formally united in a legal or recognized bond, often involving emotional, social, and economic partnership.

Explanation

A statement or account that makes something clear or understandable, often by describing the reasons for how or why something happens.

Sleep Deprivation

Occurs when an individual doesn't get enough sleep; this condition can negatively affect brain function, emotional well-being, and physical health.