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:

Change to Win

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SEIU

Service Employees International Union, a labor union representing workers in healthcare, public service, and property services sectors, among others.

Teamsters

A term often associated with members of the International Brotherhood of Teamsters, a labor union representing a variety of professions.

Nonunion Organizations

Workplaces where a labor union does not represent the employees.