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28 Cards in this Set
- Front
- Back
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purine
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adenine
guanine |
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pyrimidine
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thymine / uracil
cytosine |
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watson & crick
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double helix
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backbone of DNA
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sugar-phosphate
sugar:deoxyribose (RNA: ribose) |
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when does replication of DNA occur
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S phase
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meselson & stahl
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semi-conservative theory
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enzyme that 'unzips' DNA
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helicase
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where replication should start
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primer sites
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primer
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DNA polymerase (also adds nucleotides) w/ primase bind
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ligase
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connects Okazaki Fragments
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frameshift mutation
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deletion/addition
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missense mutation
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substitution/addition of the wrong nucleotides
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nonsense mutation
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places stop codons
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stop codons
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UAA, UAG, UGA
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initiation
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RNA polymerase - promoter region [contains TATA box - binds polymerase]
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RNA splicing
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introns sniped, exons kept
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anticodon
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complementary
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starts the site for transcription
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promoter region
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'copying machine' of DNA
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polymerase chain reaction
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translocation
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movement of a ribosome along a mRNA molecule
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pseudogenes
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unusable genes
junk DNA |
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peptidyl transferase
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makes peptide bonds b/t amino acids
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tRNA amino acid joinyase
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joins amino acids to tRNA
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primary transcript
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initial mRNA molecule copied from a gene
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transposons
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movable sequences of DNA
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hetrochromitin
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super-super-coils
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scaffolding proteins
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comprise neuleosomes {not histone}
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splicesome
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loops the intron and SnRNP splices
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