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 in the cell
Correct Answer:
Verified
Q1: In positive control of several sugar-metabolism-related operons,
Q4: There is a mutation in the repressor
Q6: A mutation that inactivates the regulatory gene
Q6: The lactose operon is likely to be
Q7: For a repressible operon to be transcribed,
Q8: The role of a metabolite that controls
Q10: Genomic imprinting, DNA methylation, and histone acetylation
Q14: Allolactose, an isomer of lactose, is formed
Q18: In response to chemical signals, prokaryotes can
Q19: If you were to observe the activity
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