Why Might a Point Mutation in DNA Make a Difference

question 25

Multiple Choice

Why might a point mutation in DNA make a difference in the level of a 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 delay the rate of DNA replication.
• D) It might substitute a different 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:

MID

In computing, commonly refers to a function in programming languages used to extract a substring from a string starting at a given position for a specified length.

Named Range

A feature in spreadsheet software that allows a user to assign a memorable name to a specific range of cells for easier referencing.

Absolute Reference

In spreadsheet applications, a cell reference that remains constant even if the formula is copied to another cell or location.

Scope

Scope refers to the extent or range of view, reach, application, operation, or effectiveness of a particular action, subject, or policy.