12. Match the enzyme with it function in DNA replication: a. helicase b. DNA pol

Question

12. Match the enzyme with it function in DNA replication: a. helicase b. DNA polymerase III C. ligase d. DNA polymerase I e. Primase synthesizes short segments of RNA so that the DNA can be replicated connects the gaps on the newly replicated strand removes the RNA nucleotides from the primer and adds equivalent DNA nucleotides separates the DNA strands during replication adds on the nucleotides based on the template strand 2. 3. 4. 5. 6. 13. The sequence of bases (A,C,T or G) in the new strand is determined by 14. Okazaki fragments are created in the lagging strand because a. DNA can only replicate in short strands b. DNA polymerase can only add nucleotides in one direction. c. Okazaki fragments prevent elongation in the 3' to 5' direction. d. the polarity of the DNA molecule prevents addition of nucleotides at the 3 end. 15. What are the four differences between DNA and RNA?

Explanation / Answer

12-a-5 ,b-6 c-3, d-2, e-4

13- on basis of coding strand bases

14-d

Note- the lagging strand is synthesised by non template strand and it form short segment called okazaki fragment.

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