Why Do Many Chemical Signals That Bind to Intracellular Receptors

question 38

Multiple Choice

Why do many chemical signals that bind to intracellular receptors take longer to show their response than chemical signals that bind to membrane-bound receptors?

• A)Opening ion channels in the membrane can take a long time.
• B)Intracellular receptor responses frequently involve synthesis of new mRNA and proteins.
• C)It takes longer for the signal molecules to reach the receptors.
• D)The signal molecules are frequently broken down in the membrane before they get to the receptors in the cytoplasm.
• E)It takes longer for the signal molecules to reach the receptors and the signal molecules are frequently broken down in the membrane before they get to the receptors in the cytoplasm are correct.

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Definitions:

Amphetamine

A stimulant drug that affects the central nervous system, used medically to treat attention deficit hyperactivity disorder (ADHD) and narcolepsy.

Tranquilizers

Medications used to treat anxiety and tension by reducing the central nervous system's activity, often prescribed for their sedative and muscle-relaxing effects.

MDMA

A synthetic drug that acts as a stimulant and hallucinogen, often used recreationally for its effects on mood and perception.

Pathogen

A microorganism that causes disease, such as viruses, bacteria, and fungi.