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Questions and Answers
What is the role of DNA helicase in DNA replication?
What is the role of DNA helicase in DNA replication?
- Replaces RNA primers with DNA
- Separates the two DNA strands by breaking hydrogen bonds (correct)
- Alleviates positive supercoiling
- Adds RNA primers to start DNA synthesis
What is the function of DNA gyrase in DNA replication?
What is the function of DNA gyrase in DNA replication?
- Alleviates positive supercoiling ahead of the helicase (correct)
- Synthesizes RNA primers for DNA synthesis
- Removes RNA primers and replaces them with DNA
- Binds to separated DNA strands to keep them apart
What is the initial role of single-strand binding proteins in DNA replication?
What is the initial role of single-strand binding proteins in DNA replication?
- Bind to the separated DNA strands to keep them apart (correct)
- Synthesize RNA primers for DNA synthesis
- Alleviate positive supercoiling
- Replace RNA primers with DNA
What is the role of DNA primase in DNA replication?
What is the role of DNA primase in DNA replication?
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What is the initial role of DNA helicase in DNA replication?
What is the initial role of DNA helicase in DNA replication?
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What is the function of DNA gyrase in DNA replication?
What is the function of DNA gyrase in DNA replication?
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