In the Collecting Duct, Urea Reabsorption Is Mediated by

question 84

Multiple Choice

In the collecting duct, urea reabsorption is mediated by

• A) the lipid portion of the plasma membrane.
• B) antiport proteins.
• C) symport proteins that are regulated by aldosterone.
• D) protein transporters.

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Definitions:

Hydrogen Ion

A positively charged ion (H+) that forms when a hydrogen atom loses its electron and effectively becomes a proton.

Hydroxide Ion

A negatively charged ion made of oxygen and hydrogen (OH-), which is a common component of bases.

pH

A measure of the acidity or basicity of an aqueous solution, indicating the concentration of hydrogen ions.

High Heat

A condition or state of very high temperatures.