Prokaryotic DNA replication

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What molecule binds to start replication at the origin of replication?
DNA A
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Where does DNA A bind?
9-mer sequence
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What is special about the 13-mer region?
It is A-T rich
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Which 2 proteins must be together to start replication?
DNA helicase and DNA primase
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Which protein prevents replication from starting again too soon?
Seq A
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What is the name given to GATC sites that have only one methylated strand?
Hemi-methylated
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What is the main DNA polymerase for DNA replication?
3
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What is the role of topoisomerases?
Prevents supercoiling of DNA and separates daughter DNA
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What is the role of DNA helicase?
Unzips parental DNA so it can be read and replicated
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What is the role of DNA ligase?
Joins ends of Chromosome together
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What is the name given to the separation of bacterial DNA by topoisomerase 2?
Decatenation
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Other cards in this set

Card 2

Front

Where does DNA A bind?

Back

9-mer sequence

Card 3

Front

What is special about the 13-mer region?

Back

Preview of the front of card 3

Card 4

Front

Which 2 proteins must be together to start replication?

Back

Preview of the front of card 4

Card 5

Front

Which protein prevents replication from starting again too soon?

Back

Preview of the front of card 5
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