Why Doesn't Every Cell in the Body Respond to Every

question 23

Multiple Choice

Why doesn't every cell in the body respond to every hormone circulating in the bloodstream?

• A) Each cell has a limited number of protein channels that shuttle hormones through its membrane.
• B) Not all hormones can diffuse through all cell membranes.
• C) The concentration of some hormones is too low to stimulate every cell.
• D) Each cell has specific surface receptors, which interact only with hormones that they recognize.
• E) Although all hormones bind to all cell surfaces, some cells lack second messengers for expression.

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Definitions:

Meta-analysis

A statistical technique that combines the results of multiple scientific studies to derive a more precise estimate of the effect of an intervention or variable on a specific outcome.

Computer-mediated Therapy

A form of psychological therapy delivered through digital platforms, allowing for therapy sessions to occur via computers or mobile devices.

Control Condition

A standard against which experimental observations are evaluated, often representing the absence of an experimental treatment.

Anxiety

Sensations of fretfulness, tension, or disquiet, usually over an upcoming occurrence or one with an unpredictable conclusion.