1
Question
The helicase enzyme breaks
I. Covalent bonds
II. Hydrogen bonds
III. Ionic bonds
The helicase enzyme breaks
I. Covalent bonds
II. Hydrogen bonds
III. Ionic bonds
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Solution
The correct option is A II only
Helicase is the enzyme that binds to DNA and remodels the nucleic acid i.e DNA. During DNA replication, the double helix unwinds as the preliminary step. The unwinding of DNA strand is catalysed by helicase enzyme. DNA polymerase is the enzyme responsible for the ongoing of the replication process, which was initiated by RNA primer. It breaks the hydrogen bonds between the nucleotides and thus helps in unzipping the DNA strands. Thus, the correct answer is option A.
Helicase is the enzyme that binds to DNA and remodels the nucleic acid i.e DNA. During DNA replication, the double helix unwinds as the preliminary step. The unwinding of DNA strand is catalysed by helicase enzyme. DNA polymerase is the enzyme responsible for the ongoing of the replication process, which was initiated by RNA primer. It breaks the hydrogen bonds between the nucleotides and thus helps in unzipping the DNA strands. Thus, the correct answer is option A.
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