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

Question

Below is a diagram of DNA replication as currently believed to occur in E. coil. From specific points, arrows are provided that lead to numbers. Answer the questions below relating to the locations specified t the numbers. 1. What end (5? or 3?) of the molecule is here? 2. What enzyme is functioning here to deal with supercoils in the DNA? 3. What enzyme is functioning here to unwind the DNA? 4. What enzyme is functioning here to make these short RNA sequences? 5. What are these short DNA fragments usually called? .6. What enzyme functions here to couple these two newly synthesized fragments of DNA? 7. is this strand the leading or lagging 8. What end (5? or 3?) of the molecule is here? A. primase B. Okazaki fragments C. 5? D. DNA ligase E. 5? F. lagging G. DNA gyrase H. helicase

Explanation / Answer

1. 5'

2. DNA gyrase

3. Helicase

4. Primase

5. Okazaki fragments

6. DNA ligase

7. lagging strand

8. 5' end

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