DNA Replication & Repair MCAT Practice Question
A researcher studying DNA replication in E. coli observes that DNA polymerase III synthesizes the leading strand continuously but the lagging strand in short fragments. The lagging strand fragments are later joined together. Which enzyme is primarily responsible for removing RNA primers from Okazaki fragments and filling in the resulting gaps with DNA nucleotides?
Answer choices
- ADNA polymerase ICorrect answer
- BDNA polymerase III
- CPrimase
- DHelicase
- ETopoisomerase
- FLigase
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