Which Statement Best Describes a DNA Mutation

question 66

Multiple Choice

Which statement best describes a DNA mutation?

• A)DNA polymerase adds an incorrect base during replication.
• B)DNA is damaged by UV irradiation.
• C)A mistake in the DNA sequence is repaired during replication.
• D)A permanent change occurs in the nucleotide sequence of DNA.
• E)Proofreading during replication replaces a mismatched nucleotide.

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Definitions:

Role Confusion

A situation in which an individual lacks clarity about his or her role, often seen in adolescence as part of identity development according to Erikson's stages of psychosocial development.

Temperament

An individual’s innate style of responding to the environment, including their typical mood, activity level, and emotional reactivity, often seen as the precursor to personality.

Pruning Process

The natural neurological process in which synapses that are seldom used are eliminated, which occurs mostly during early brain development.

Social Identity

An individual's sense of who they are based on their group membership(s).