Question

question 4
4 pts
what is the name of the enzyme that breaks the hydrogen bonds at the beginning of dna replication
ligase
nuclease
helicase
polymerase

Explanation:

Helicase is the enzyme that unwinds the DNA double - helix by breaking the hydrogen bonds between the complementary base pairs at the start of DNA replication. Ligase is involved in joining DNA fragments. Nuclease breaks down nucleic acids. Polymerase synthesizes new DNA strands.

Answer:

C. helicase