Which of the Following Enzymes Unwinds the Double Strand of a DNA

Question

Which of the following enzymes unwinds the double strand of a DNA molecule?
A) acetylase
B) helicase
C) DNA polymerase I
D) deacetylase

Accepted Answer

Helicase is the enzyme responsible for unwinding the double strands of a DNA molecule during replication or transcription. Acetylase and deacetylase are enzymes that add or remove acetyl groups to proteins. DNA polymerase I is responsible for replacing RNA primers with DNA nucleotides during DNA replication.