Question

What role does Helicaase play in DNA replication?

A: Helicase connects the floating nucleotides to the template strands
B: Helicase breaks hydrogen bonds and unwinds a section of DNA.
C: Helicase checks the base pairs in each new strand of DNA.
D: Helicase bonds together pieces of DNA as new strands form.

Answer 1

B

Step-by-step explanation:

Helicase is the enzyme that unwinds the DNA by breaking hydrogen bonds between the two strands. It forms the so called replication fork.