In the Synthesis of DNA in Escherichia Coli

question 30

Multiple Choice

In the synthesis of DNA in Escherichia coli

• A) a single-strand nick in the template DNA gives rise to a swivel point just in advance of the replication fork
• B) Mn²⁺ is required
• C) all enzymes involved are single polypeptide chains
• D) neither the template DNA nor the daughter DNA molecules exhibit supercoiling

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