Under Which of the Following Situations Would Receptor Downregulation Most

question 61

Multiple Choice

Under which of the following situations would receptor downregulation most likely occur?

• A) The number of G proteins is too high.
• B) The concentration of a hormone is too high.
• C) The cell is unable to manufacture cyclic AMP.
• D) The concentration of a neurotransmitter is too low.
• E) The number of receptors in the plasma membrane is too low.

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Definitions:

Ionic Compound

Ions combined through the strength of electrostatic attractions to form a chemical compound, in a process called ionic bonding.

Sodium

A soft, silvery-white, highly reactive metal and an essential element in animal nutrition, symbolized as Na.

Nitrogen

A colorless, odorless, tasteless gas that constitutes about 78% of the Earth's atmosphere; it is a critical element in the makeup of amino acids, proteins, and nucleic acids.

Ionic Compound

A substance made up of positively and negatively charged ions that are combined in a ratio to neutralize the charges.