Refer to the Figure Below

question 194

Multiple Choice

Refer to the figure below. Which statement regarding channel proteins shown in the figure is false?

• A) Channel proteins can assist polar molecules to cross the plasma membrane by facilitated diffusion.
• B) The gated ion channel can allow ions to pass when stimulated to open.
• C) The surface of a channel protein in contact with the bilayer would likely have hydrophilic amino acids.
• D) Water plays a role in determining which ions are allowed to pass through an ion channel.
• E) Aquaporins are channel proteins that facilitate the diffusion of water across membranes.

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Definitions:

Sublingual

A method of administration for drugs by placing them under the tongue where they dissolve and are absorbed into the bloodstream.

Topical

Pertaining to the surface, especially medications or applications intended for use on the skin or outer body surfaces.

Abbreviation

A shortened form of a word or phrase used to save space or time, common in various fields including medicine and communication.

QID

An abbreviation in medical prescriptions indicating medication should be taken four times a day.