E. coli cells grown on a mixture of glucose and lactose selectively use glucose because.

A) Cyclic AMP binding a protein (CAP) is not present when glucose is present
B) No lactose repressor is made under these conditions
C) Glucose lowers cAMP which reduces the amount of CAP-cAMP
D) Lactose interferes with glycolysis

Which geologic feature would most likely be represented by contour lines john far apart from one another? a cliff a hill a plain a valley

What is usually (but not always) related to the metabolic processes of living organisms in its organic form?

Which statement describes characteristics of planarians? a they live in oceans, are parasites, and reproduce only sexually. b they live in fresh water, are parasites, and reproduce only asexually. c they live in oceans, are free living, and reproduce sexually and asexually. d they live in fresh water, are free living, and reproduce sexually and asexually.