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Author Question: If glucose is available in the environment of E. coli, the cell responds with a (Read 578 times)

aero

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on: Jun 29, 2013
If glucose is available in the environment of E. coli, the cell responds with a very low concentration of cAMP. When the cAMP increases in concentration, it binds to CAP. Which of the following would you expect to be a measurable effect?
A) decreased concentration of the lac enzymes
B) increased concentration of the trp enzymes
C) decreased binding of the RNA polymerase to sugar metabolism-related promoters
D) decreased concentration of alternative sugars in the cell
E) increased concentrations of sugars such as arabinose in the cell


Hawke

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Reply #1 on: Jul 1, 2013
I'd go with E. It makes sense.


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aero

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Reply #2 on: Jul 23, 2013
Just got my test back, you're right!


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