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DNA Replication Proteins and Enzymes
Terms in this set (16)
Unwinds parental double helix at the replication fork
Single-strand Binding Protein
Binds to and stabilizes single-stranded DNA until it is used as a template (Stops DNA from rewinding)
Relieves overwinding strain ahead of replication forks by breaking, swiveling, and rejoining DNA strands. Separates DNA circles at the end of replication.
Synthesizes an RNA primer at the 5' end of leading strand and at the 5' end of a Okazaki fragment of the lagging strand; makes RNA primer from DNA template
DNA Polymerase III
Using parental DNA as a template, synthesizes new DNA strand by adding nucleotides to an RNA primer or a pre-existing DNA strand
DNA Polymerase I
Removes RNA Nucleotides of primer from 5' end and replaces them with DNA nucleotides
Joins Okazaki fragments of the lagging strand; on leading strand, joins 5' of the DNA that replaces primer to the rest of the leading strand
Relaxes Super-coiling ahead of the replication fork
Cut DNA backbone in a strand of DNA; facilitate repair
Cut DNA from an exposed end of DNA; facilitate repair
Adds methyl group to selected bases in newly made DNA
Uses light energy to separate UV-induced pyrimidine dimers.
RNA enzyme that removes introns and splices exons together.
Copies RNA from DNA template
RNA-protein complex that removes introns and splices exons together
Cuts DNA backbone leaving single stranded "sticky ends"
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