Molecular Genetics of Prokaryotes Problem Set
Problem 12: Effect of high glucose concentrations
Correct!
An E. coli cell is grown in the presence of high amounts of glucose. Which of the following is true?
A.
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The cell will utilize lactose as a carbon source exclusively.
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B.
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The level of cyclic AMP in the cell will be low
The levels of cyclic AMP are inversely related to the levels of glucose.
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C.
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The level of cyclic AMP in the cell will be high.
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D.
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Transcription of mRNA from the lac operon will be high.
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E.
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The cell will be forced to carry out fermentation.
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Updated: July 15, 1999
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