Why Might a Point Mutation in DNA Make a Difference

question 69

Multiple Choice

Why might a point mutation in DNA make a difference in the level of protein's activity?

• A) It might result in a chromosomal translocation.
• B) It might exchange one stop codon for another stop codon.
• C) It might exchange one serine codon for a different serine codon.
• D) It might substitute an amino acid in the active site.
• E) It might substitute the N-terminus of the polypeptide for the C-terminus.

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Definitions:

Drainage

The removal of fluid, such as pus or blood, from a wound or body cavity, often using a tube or other device, to promote healing.

Auditory Canal

A tube-like structure that extends from the outer ear to the eardrum, conducting sound waves to the eardrum.

Basal Skull Fracture

A fracture at the base of the skull, often associated with serious head injuries and potential complications.

Ruptured Drum

A tear or hole in the eardrum, leading to hearing loss and possible ear infection.