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13 Cards in this Set
- Front
- Back
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Gene expression
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The production of RNAs and proteins from a DNA blueprint
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Gene duplication allows
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genetic information to be passed unchanged from generation to generation
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Occassional changes or mutations in genes cause
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organisms to evolve
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Recombination occures when
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DNA is exchanged between two chromosomes.
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Producing a protein from DNA requires the following two steps
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Transcription and Translation
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Template strand of DNA is complementary to
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mRNA strand
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The first step of transcription initiation
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RNA Pol recognizes the promoter
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Location of the promoter
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upstream from the gene
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Elongation occurs in the _______ direction
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5' to 3' direction.
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The E.Coli ribosome has 2 subunits called
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50s and 30s
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THe 50s plus 30s subunits make the
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70s ribosome
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THe 30s subunit is made up of
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21s rRNA plus 21 proteins
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THe 50s subunit has a
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23s rRNA plus a 5s rRNA plus 34 proteins
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