Please provide clear, step by step answers. Thank you!!! 3. Enzymes that play a

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Please provide clear, step by step answers. Thank you!!!

3. Enzymes that play a role in DNA replication are listed below. Please match the enzyme name with the appropriate function. Some enzymes may be used more than once. (7 points) Joins discontinuous DNA segments Unwinds nucleic acid duplexes Relaxes the supercoiled DNA Extends preexisting DNA chains May proofread newly synthesized DNA Synthesizes short RNA segments Fills in small regions of DNA where primers were located DNA Polymerase I, DNA Polymerase III, Helicase, Ligase, Primase, Topoisomerase Il

Explanation / Answer

ANS.

DNA Ligase : joins discontinous DNA fragments.

Helicase: unwinds nucleic acid duplexes.

Topoisomerase II: relaxes the supercoiled DNA.

DNA polymerase III: extends pre-existing DNA chains.

DNA polymerase(I,II,III): may proofread newly synthesized DNA.

Primase: synthesizes short RNA segments.

DNA polymerase I: fills in small reginons of DNA where primers were located.

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