Question

During DNA replication, the strands of the double helix are separated by which enzyme?

• A. Topoisomerase
• B. DNA ligase
• C. Helicase
• D. Primase

Answer 1

Answer:

C. Helicase

DNA helicase is an enzyme that separates the two strands of DNA during replication. It is a motor protein that uses energy from ATP to break the hydrogen bonds between the strands. This process is called unwinding.