Topic: Nucleotides Can someone please help me answer the questions above and exp

Question

Topic: Nucleotides

Can someone please help me answer the questions above and explain why did you pick that answer?

For second question, i'm not sure is it C or not? Please help?

Thanks

Topoisomerases change the linking number by ... A restriction endonculease recognizing a 6 nucleotide site will cut on average often in a chromosome than a restriction endonuclease recognizing 4 nucleotide site Which of the following statements best explains why DNA Polymerase I can remove the RNA primer from Okazaki fragments and DNA Polymerase III cannot? Which of the following statements is true about Helicase?

Explanation / Answer

1. topoisomerases change the linking number by

B. physical breaking the covalent DNA backbone

2. c. less

3. B

4. B activated by primase

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