A Scientist Developed a Procedure That Would Cause a Particular

question 21

Multiple Choice

A scientist developed a procedure that would cause a particular chemical to bind with the nitrogen base adenine.If this chemical were applied prior to S in the cell cycle,what might be a logical prediction of the outcome?

• A)The DNA replication would proceed except that all adenine would have the chemical bound to it and is incorporated into the new sister chromatids.
• B)The DNA replication would proceed except that everywhere an adenine was supposed to be,a thymine was substituted into the new developing strand.
• C)The DNA replication would proceed except cytosine and guanine would continue to form base pairs.
• D)The DNA replication would stop because if adenine were bound then thymine would not have a complement with which to base pair.

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