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15 Cards in this Set
- Front
- Back
DNA consists of how many strands?
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2 strands
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DNA polimeraces require ______?
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Primers
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Nucleotides are only added at the ________
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the three prime end
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What are the 4 basic steps in DNA replication?
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strand separation, priming, extension, primer removal and gap closure
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short RNA molecule synthesized by primase
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primer
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The enzymes that carry out DNA synthesis can't initiate synthesis: they require ________
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Primer
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What enzyme does the initial unwinding?
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Helocase
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_______ releases the tension caused by Helocase.
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Gyrase
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What Enzyme seals cuts in the DNA backbone?
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Ligase
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What is the leading and lagging strand for DNA replication
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The leading strand has continous DNA replication and the lagging strand has discontinuous DNA replication
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does the Leading strand moves towards or away from the replication fork?
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towards
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does the lagging strand move towards or away from the replication fork?
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away from
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What enzyme lengthens telomeres?
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telomerase
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what enzyme primes DNA synthesis?
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Telomeres
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what enzyme prevents chromosome shortening?
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telomeres
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