If the First Nucleotide in a Codon Is Mutated to a Different

question 39

Multiple Choice

If the first nucleotide in a codon is mutated to a different nucleotide, what would be the effect on the encoded protein?

• A) A missense mutation from one encoded amino acid changing to another.
• B) It depends on what the changed nucleotide is.
• C) A frameshift mutation for all of the subsequent amino acids in the protein.
• D) No effect as the problem nucleotide would be corrected by RNA editing mechanisms.
• E) A silent mutation and no change in the encoded amino acid.

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Definitions:

Gender Role

A set of societal norms dictating what types of behaviors are generally considered acceptable, appropriate, or desirable for people based on their actual or perceived sex.

Hormones

Chemical substances secreted into the bloodstream by endocrine glands.

Endocrine System

A network of glands in the body that secrete hormones into the bloodstream to regulate various bodily functions.

Bloodstream

The flow of blood within the circulatory system of the body, transporting nutrients, oxygen, and waste products to and from tissues.