BIOC 454 midterm telomerase

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telomerase stuff

30 Terms

1

leading strand replication

processive process

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2

lagging strand synthesis problem

  • needs RNA primers , end up with a gap

  • DNA gets shorter at 3’ end every cycle of replication

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3

how do bacteria cope with end replication problem

with a circular genome, there is no end

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4

why did we evolve away from circular DNA

too much torsion

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5

telomeres

repeats, protect the genome from end replication problems

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6

poxvirus DNA replication

  • dsDNA

  • enzymes that covalently closes the genome between 5’ and 3’

  • terminal loop removes 3’ hydroxyl

  • basically all leading strand synthesis

  • self priming mechanism

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7

problem+ solution in poxvirus DNA replication

both copies of DNA are linked together, use resolves to separate the two

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8

Adenovirus and

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