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22 Cards in this Set
- Front
- Back
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syn/anti is rotation around
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B-N-glycosidic bond
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what RNA forms clover leaf
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t
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what part of ribose makes RNA unstable in alkaline pH
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2' OH
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DNA into RNA is
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translation
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what RNA encodes polypeptides
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mRNA
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what does monocistronic mean
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1 gene =1 polypeptide
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what is hybridization
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union of complementary single strands to form double stranded helix
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what is hyperchromicity/hyperchromic shift
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increase in abs. by ds nucleic acids as they denature due to increase temps
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what conditions support denaturation (salt, ph, temp etc)
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low salt
alkaline/basic organic solvent heat |
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what conditions support renaturation (salt, ph, temp etc)
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high salt
neutral pH low temp increase GC content |
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what induces pyrimidine dimers
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UV light
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daughter sister c'tids become attached to each other in what phase
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G2/early M
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what is centromeric DNA composed of
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AT rich, short satellite repeats
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what do promoters do
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initiate tcp
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what do enhancers do
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allow initiation by promters
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what phase are chromosomes visible
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M
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what is a permanent change in a single nucleotide
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point mutation
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point mutation
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a permanent change in a single nucleotide
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which happens more frequently: depurination or deamination
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depurination
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what is C de-aminated into
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U
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what is A de-aminated into
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HX
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what is G de-aminated into
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X
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