BIOC2201 Lecture 7: Theme 2 Notes

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25 May 2018
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Prokaryotic*Gene*Expression:*
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J?<@7I>:?<'IFEA7@7FEC'?<='=OJ<=CC=A'
5!,E'E.Coli:'
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Lac*Operon:*
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Lac'-J=<FE'9?C'@9<=='FJ=<?@F<'<=87FEC)'
5!-Z'Y'D?7E'FJ=<?@F<'<=87FEL'N7<C@'7A=E@7N7=AL'<=J<=CCF<'U7EAC'?@'JFC7@7FE'[ZZ'N<FD'@9='
@<?ECI<7J@7FE?:'C@?<@'C7@='B7E'@9='J<FDF@=<'<=87FE\'V9=<='&.+'JF:;D=<?C='U7EACG'
5!-]'?EA'-^'Y'C=IFEA?<;'FJ=<?@F<'<=87FECL'<=J<=CCF<'U7EA'?@'JFC7@7FEC'[_Z]'?EA'5`]'
N<FD'@9='@<?ECI<7J@7FE?:'C@?<@'C7@=L'<=CJ=I@7K=:;'
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5!X7EAC'@VF'FJ=<?@F<C'C7D>:@?E=F>C:;'
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5!2@<=E8@9=EC'7E@=<?I@7FE'FN'!?I'<=J<=CCF<'V7@9'a.+'
o!*<=?@=<':=K=:C'FN'<=J<=CC7FEL'&.+'JF:;D=<?C='U7EA7E8'U:FIb=A'
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+.a'?I@7K?@F<C)'
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5!/F<'CFD='8=E=CL'<=8>:?@F<;'J<F@=7E'?I@C'?C'?E'?I@7K?@F<'H'
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Sigma*(c)*Factors:*
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5!&=M>7<=A'NF<'@<?ECI<7J@7FE'BI?EEF@'9?JJ=E'V7@9F>@'?'C78D?'N?I@F<G'
5!a7C=E8?8='N<FD'@9='&.+'JF:;D=<?C='?N@=<'PZR'E>I:=F@7A=C'FN'&.+'?<='C;E@9=C7T=A'
5!dFC@'IFDDFE'Y'c(R'
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o!X>@'@9=<='?<='?:@=<E?@7K='c'N?I@F<C'
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5!+CCFI?7@='V7@9'@9='&.+'JF:;D=<?C=L'<=J:?I='c(R'
5!&=IF8E7C='?EA'U7EA'CJ=I7N7I'J<FDF@=<'C=M>=EI=C'
5!dFC@'?<='C@<>I@><?::;'?EA'N>EI@7FE?::;'<=:?@=A'@F'c(R'
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FN'@9='@<?ECI<7J@7FE'C@?<@'C7@='
o!"E9?EI=<'<=87FEC'
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