Attenuator (genetics) - Information from Answers.com
These elements are bound by specific uncharged tRNAs and modulate the expression of corresponding aminoacyl-tRNA synthetase operons. High levels of ...
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How is lac operon different from trp operon
1. in lac operon; gene activity is induced when lactose is present in the medium, whereas in case of trp operon, repression of the gene activity takes place in ...
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gal operon - Information from Answers.com
The gal operon is a prokaryotic operon, which encodes enzymes necessary for galactose metabolism. The operon contains two operators, OE (for external) and ...
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lac operon - Information from Answers.com
Contents. 1 Structure of the lac operon. 1.1 Genetic nomenclature; 1.2 Lactose analogs; 1.3 Classification of regulatory mutants; 1.4 Regulation by cyclic AMP ...
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operon: Definition from Answers.com
The lactose (<i>lac</i>) operon from <i repressor gene; p is the promoter site; and o is the operator site. The arrow indicates length and direction of mRNA ...
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Leucine operon leader - Information from Answers.com
The Leucine operon leader is an RNA element found upstream of the first gene in the Leucine biosynthetic operon. The leader sequence can assume two ...
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Describe how E. coli uses the negative and positive control of the lac ...
the lac operon of E. coli repressor(lac repressor) is synthesized through the activity of the gene lac I, known as regulator gene. the active form of the lac repressor ...
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How is the lac operon regulated
1. in lac operon; gene activity is induced when lactose is present in the medium, whereas in case of trp operon, repression of the gene activity takes place in ...
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How does lactose cause the lac operon to trun on
1. in lac operon; gene activity is induced when lactose is present in the medium, whereas in case of trp operon, repression of the gene activity takes place in ...
wiki.answers.com/Q/How_does_lac...