Question

Bacteria in your lab are grown under two conditions, one with exposure to glucose and the other with lactose. What best describes the effects glucose will have upon the enzymes used to metabolize lactose?
Glucose will turn off all trp genes.
Glucose repression stops the lac operon from being induced.
Nothing as the enzymes that metabolize both lactose and glucose are the same.
The enzymes needed to metabolize lactose are inhibited.
Induction of the enzymes is reduced.

Answer 1

Glucose will turn off all trp genes