DNA Replication Proteins and Enzymes Exam Questions with Complete Solutions Latest Update Graded A+
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DNA Replication Proteins and Enzymes
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DNA Replication Proteins And Enzymes
DNA Replication Proteins and Enzymes Exam Questions with Complete Solutions Latest Update Graded A+
Helicase - Answers Unwinds parental double helix at the replication fork
Single-strand Binding Protein - Answers Binds to and stabilizes single-stranded DNA until it is used as a template (Stops DN...
DNA Replication Proteins and Enzymes Exam Questions with Complete Solutions Latest Update
Graded A+
Helicase - Answers Unwinds parental double helix at the replication fork
Single-strand Binding Protein - Answers Binds to and stabilizes single-stranded DNA until it is used as a
template (Stops DNA from rewinding)
Topoisomerase - Answers Relieves overwinding strain ahead of replication forks by breaking, swiveling,
and rejoining DNA strands. Separates DNA circles at the end of replication.
Primase - Answers 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 - Answers 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 - Answers Removes RNA Nucleotides of primer from 5' end and replaces them with
DNA nucleotides
DNA Ligase - Answers 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
DNA Gyrase - Answers Relaxes Super-coiling ahead of the replication fork
Endonucleases - Answers Cut DNA backbone in a strand of DNA; facilitate repair
Exonucleases - Answers Cut DNA from an exposed end of DNA; facilitate repair
Methylase - Answers Adds methyl group to selected bases in newly made DNA
Photolyase - Answers Uses light energy to separate UV-induced pyrimidine dimers.
Ribozyme - Answers RNA enzyme that removes introns and splices exons together.
RNA polymerase - Answers Copies RNA from DNA template
snRNP - Answers RNA-protein complex that removes introns and splices exons together
Transposase - Answers Cuts DNA backbone leaving single stranded "sticky ends"
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