Answer:
Helicase
Explanation:
Helicases are enzymes. They break the hydrogen bonds, using ATP energy, between the nitrogenous bases of the two strands. This allows the DNA polymerase of RNA polymerase to access single-stranded DNA for replication and transcription respectively.
Explanation:
the answer is all of these
Answer:
B. Leading; lagging.
Explanation:
The leading strand is made as a continuous piece. The the lagging strand is made in small pieces.
Answer:
DNA replication is the biological process of producing two identical replicas of DNA from one orginal DNA molecule.
DNA replication occurs when the DNA strands unzip and the orginal strands of DNA serve as a template for new nucleotides to join and form a new strand. In needs to occur because existing cells divide to produce new cells.