During DNA replication, what is the role of the enzyme helicase?
A.
A. To unwind the DNA double helix.
B.
B. To repair errors in the newly synthesized strand.
C.
C. To join the Okazaki fragments on the lagging strand.
D.
D. To proofread and remove mismatched base pairs.
Exam No：AP Biology Problem Set 4 Year：2024 Question No：AP Biology2024AP0322
Answer:
A
Knowledge points:
1.6 Nucleic Acids
Solution:
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