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Which of the following enzyme adds complementary bases during replication?

  • A.Helicase
  • B.Synthesase
  • C.Replicase
  • D.Polymerase

Answer: D

Correct answer: Polymerase

DNA polymerase selects the nucleotide that pairs with the template base and joins it to the 3’ end of the growing chain. Helicase only separates the strands; “synthesase” and “replicase” are not names of enzymes in this pathway.

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