How does the cAMP level relate to glucose availability?
ADirectly proportional
BInversely proportional
CNot related at all
DAlways exactly equal
Answer & Solution
Correct answer: B. Inversely proportional
cAMP rises when glucose is scarce, which lets CAP activate the lac operon.
Related questions
Besides allolactose, which artificial inducer binds the lac repressor?At which level does the lac operon control gene expression?The lac repressor is an allosteric protein. What does this mean?Which was the first genetic regulatory mechanism to be understood clearly?The lac repressor is made of how many identical subunits?Sequential use of glucose then lactose in two growth phases is called what?Lac genes are co-transcribed into which kind of mRNA?The lacI gene is expressed in what way?