What Happens Simultaneously with the Removal of RNA Primer by the 5'->3

question 72

Multiple Choice

What happens simultaneously with the removal of RNA primer by the 5'->3' exonuclease activity of DNA polymerase I?

• A)The DNA double helix is unwound.
• B)The gap left by the removal of the RNA primer is filled in with deoxyribonucleotides.
• C)The gap left by the removal of the RNA primer is filled in with ribonucleotides.
• D)DNA is supercoiled extensively.

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