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Microbiology Final
Chapter 7 - DNA Replication Proteins
13
Biology
Undergraduate 3
05/02/2012
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Term
DNA-dep
 Definition
Breaks H-bonds
Term
RNA polymerase
 Definition
DNA base pairing
Term
DnaA
 Definition
Initiator protein
Term
DnaB
 Definition
Helicase
Term
DnaC
 Definition
Helicase loader
Term
DNA primase
 Definition
Synthesis of RNA primer
Term
DNA polymerase I
 Definition
Replaces RNA primer with DNA
Term
DNA polymerase III
 Definition
Major replication enzyme
Term
Rnase H
 Definition
Removes RNA primer
Term
DNA ligase
 Definition
Repairs the phosphodiester nicks using energy from NAD (bacteria) or ATP (eukaryotes)
Term
Tus proteins
 Definition
Binds terminator sequences and acts as a counter-helicase
Term
DNA gyrase
 Definition
Relieves DNA supercoiling
Term
Topoisomerase IV
 Definition
Seperates catenanes
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