TLS Online TPP Program

#Question id: 3928


An extremely large lactose source is encountered by an E. coli cell in the lumen of the small intestine of a human who just ate an entire carton of ice cream. Which of the following would most likely be a contributor to why the E. coli does not metabolize any of the lactose?

#Unit 3. Fundamental Processes
  1. presence of allolactose

  2. presence of phosphorylated adenylate cyclase

  3. absence of glucose

  4. absence of cAMP