Channel Proteins in Cell Membranes Serve What Function

question 15

Multiple Choice

Channel proteins in cell membranes serve what function?

• A)They add strength and rigidity to the membrane.
• B)They provide pathways for water and electrolytes to move through cell membranes.
• C)They form the bilayer portion of the membrane.
• D)They allow nonpolar substances to move through the membrane.
• E)They prevent interactions between the nonpolar tails of the phospholipids which gives the membrane its fluidity.

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Definitions:

Lithium

A chemical element used in the treatment of bipolar disorder and other mood disorders by stabilizing mood swings.

Salt

A mineral composed primarily of sodium chloride (NaCl), used in food seasoning and preservation, as well as numerous industrial applications.

Serotonin

A neurotransmitter in the brain that affects mood, emotion, sleep, and appetite regulation, critical in psychological well-being.

Lithium

A chemical element used as a medication, particularly effective in treating and preventing episodes of bipolar disorder.