Scelta multiplaIn the overview of DNA replication, which enzyme is responsible for “unzipping” the DNA double helix by breaking hydrogen bonds between base pairs?122views
Scelta multiplaDuring DNA replication, which enzyme unwinds ("unzips") the parental DNA double helix at the replication fork?128views
Scelta multiplaIn an overview of DNA replication, what is the main goal of DNA replication in a cell?131views
Scelta multiplaIn the overview of DNA replication, what is the primary role of topoisomerase at the replication fork?138views
Scelta multiplaMultiple origins of replication on the DNA molecules of eukaryotic cells serve to:212views
Scelta multiplaDuring DNA replication, which enzyme initiates DNA synthesis by creating a short RNA segment (primer) that provides a free 3′OH group for DNA polymerase?112views
Scelta multiplaDuring DNA replication, what stabilizes the unwound single-stranded DNA to prevent it from reannealing or forming secondary structures?121views
Scelta multiplaIn the context of an overview of DNA replication, what is the primary purpose of DNA replication in cells?119views
Scelta multiplaIn DNA replication, what is the direct substrate used by DNA polymerase to synthesize a new DNA strand?149views
Scelta multiplaDuring DNA replication, what is the primary role of DNA gyrase (a bacterial type II topoisomerase) ahead of the replication fork?140views