A DNA Sequence 5′ ATGGGGGACACC 3′ Encodes the Amino Acids

question 40

Multiple Choice

A DNA sequence 5′ ATGGGGGACACC 3′ encodes the amino acids Met Gly Asp Thr.A mutation changes the sequence to 5′ ATGAGGGGACACC 3′ that encodes the amino acids Met Arg Gly His.What type of mutation has occurred?

• A)frameshift mutation
• B)missense mutation
• C)silent mutation
• D)nonsense mutation

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Definitions:

Glutamic Acid

An amino acid used by the body to build proteins, also functioning as a neurotransmitter in the brain.

Aspartic Acid

Aspartic acid is a nonessential amino acid used in the biosynthesis of proteins, playing roles in the body's metabolic processes and neurotransmission.

MSG

Monosodium glutamate, a flavor enhancer commonly used in food preparation and processed foods.

Microvilli

Tiny, hair-like projections on the surface of some cells that increase surface area for absorption or secretion.