Role of DNA Polymerase in Replication

Easy Biochemistry Nucleic Acids And Dna Replication

DNA replication is a fundamental process in the biological systems of all living organisms. It involves the unwinding of the double helix structure of DNA and the synthesis of new complementary strands. This mechanism is crucial for cell division and is highly regulated to ensure accuracy. One key enzyme involved in this process is DNA polymerase, which helps add nucleotides to the growing DNA strand. DNA replication occurs in a bidirectional manner from multiple origins of replication.

Which of the following statements correctly describes the role of DNA polymerase during DNA replication?

DNA polymerase synthesizes RNA primers to initiate DNA synthesis.

DNA polymerase adds nucleotides to the growing DNA strand in the 5' to 3' direction.

DNA polymerase unwinds the double helix structure of the DNA.

DNA polymerase is responsible for repairing damaged DNA.

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