A Mutation Has Occurred During DNA Replication While the Cell

question 84

Multiple Choice

A mutation has occurred during DNA replication while the cell was preparing to divide.As a result of this, the codon ACU of mRNA has now become ACC.Interestingly, there is no change to the protein being made.Why not?

• A)This is a silent mutation.
• B)The original amino acid isoleucine was changed to leucine, but they are the same variation of amino acid so no change to the protein.
• C)The mutation was fixed, and even though the codon is now ACC the correct amino acid is put into place for the normal protein.
• D)This is not a mutation that causes a big change, so there is no change to the protein being made.

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Definitions:

Interest on Interest

The interest earned on the reinvestment of previous interest payments, commonly associated with compounding interest.

Reinvestment

The process of using dividends, interest, or any form of return earnings to purchase additional shares or units instead of receiving the earnings in cash.

Compound Interest

This refers to the interest that is calculated on both the original principal amount and on the interest that has previously been added to that principal in past periods.

Initial Principal

The original sum of money borrowed in a loan or invested, before any interest or profit is added.