How Are Polar Molecules Like Glucose Transported Across a Membrane

question 79

Multiple Choice

How are polar molecules like glucose transported across a membrane?

• A) There are holes in the membrane.
• B) There are proteins that allow the transportation of polar molecules across the membrane.
• C) Polar molecules cannot ever enter the cell.
• D) Polar molecules diffuse across the hydrophobic barrier.

---

Definitions:

Flunitrazepam

A potent sedative drug belonging to the benzodiazepine class, often associated with the treatment of severe insomnia and as a premedication for surgery.

Respiratory Depression

A condition in which breathing becomes dangerously slow or shallow, leading to insufficient oxygen intake and potential carbon dioxide buildup.

Hypotonia

A condition characterized by reduced muscle tone, resulting in floppy or lax muscles and potentially affecting motor skills development.

Vulnerability

The quality or state of being exposed to the possibility of being attacked or harmed, either physically or emotionally.