What Happens If an Incorrect Nucleotide Is Not Removed and Replaced

question 21

Multiple Choice

What happens if an incorrect nucleotide is not removed and replaced by the cell's DNA-correcting machinery?

• A)A point mutation has occurred.
• B)The result is a chromosomal aberration.
• C)The effect will be lethal, and the cell will die.
• D)The cell will become cancerous.
• E)The entire chromosome must be destroyed.

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Definitions:

Vagus Nerve

The tenth cranial nerve, extending from the brainstem to the abdomen, which influences various functions including heart rate, gastrointestinal peristalsis, and sweating.

Vestibulocochlear Nerve

A cranial nerve that transmits sound and equilibrium (balance) information from the inner ear to the brain.

Merkel Disks

Specialized skin cells that function as mechanoreceptors, responding to light touch and pressure.

Mechanoreceptors

Sensory receptors that respond to mechanical pressure or distortion.