Which Statement About Gated Ion Channels Is False

question 30

Multiple Choice

Which statement about gated ion channels is false?

• A) Some gated channels open or close in response to mechanical force applied to the cell membrane.
• B) In chemically gated channels, a specific molecule may bind to a receptor, which alters the channel protein.
• C) When gated channels open and close, they change membrane potential.
• D) The resting potential is produced by gated ion channels.
• E) Hyperpolarization occurs when chemically gated potassium channels open.

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Definitions:

Dopamine

A neurotransmitter in the brain that plays a key role in reward, motivation, and motor control.

Serotonin

A neurotransmitter within the brain that plays an important role in the regulation of emotion and motivation.

Bodily Humors

An ancient medical theory suggesting that the health and temperament of the human body are determined by a balance among four bodily fluids: blood, phlegm, black bile, and yellow bile.

Black Bile

Black bile, one of the four humors in ancient Greek medicine, was believed to be associated with melancholy and sadness, representing a historical understanding of bodily fluids affecting temperament.