The lac operon of E. coli is needed for the metabolism of which sugar?
AGlucose
BLactose
CSucrose
DMaltose
Answer & Solution
Correct answer: B. Lactose
It encodes the transport and digestion machinery for lactose.
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?How does the cAMP level relate to glucose availability?Lac genes are co-transcribed into which kind of mRNA?