Synonymous Substitutions Are Possible Because

question 30

Multiple Choice

Synonymous substitutions are possible because

• A) most changes in DNA are either deleterious or selectively neutral.
• B) mutation rates are high.
• C) mutation rates are low.
• D) most amino acids are specified by more than one codon.
• E) most codons are specified by more than one amino acid.

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Definitions:

Dementia

An umbrella term for various neurological conditions characterized by a progressive decline in cognitive function, affecting memory, thinking, orientation, comprehension, calculation, learning capacity, language, and judgement.

Stressor

Any event, situation, or stimulus that causes stress, triggering a physiological or psychological response.

Sympathetic System

Part of the autonomic nervous system that activates the body's rapid involuntary response to dangerous or stressful situations (fight or flight response).