Below is a diagram of DNA replication as currently believed to occur in E coli.

Question

Below is a diagram of DNA replication as currently believed to occur in E coli. Arrows start from numbers and end at specific points. Answer the questions relating to the locations specified by the numbers. Which end (5' or 3') of the molecule is here? Which enzyme is probably functioning here to dell with super coils in the DNA? Which enzyme is probably functioning here to unwind the DNA? Which nucleic acid is probably depicted here? What are these short DNA fragments usually called? Which enzyme probably functions here to couple these two newly synthesized fragments of DNA? Is this strand the leading or lagging strand? Which end (5' or 3') of the molecule is here?

Explanation / Answer

1. 5' end

2. DNA Gyrase

3. DNA Helicase

4. RNA

5. Okazaki fragments

6. DNA Ligase

7. Lagging strand

8. 5' end

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