JEE Main Chemistry question

Ligase is an enzyme required for

(A)Renaturation of DNA
(B)Proof-reading
(C)Joining DNA bitsCorrect
(D)Breaking of DNA

Answer: (C)

Solution

DNA ligase catalyses the formation of a phosphodiester bond between adjacent DNA fragments (such as Okazaki fragments during replication, or fragments in genetic engineering), effectively joining pieces of DNA

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Question ID VK-150820