Question

When lactose is present, the E. Coli will "turn on" the lactase gene.
True
False

Answer 1

Answer: true

Explanation: when high levels of lactose are present, an isomer form of lactose, allolactose , will go and bind with the depressor protein to make it inactive

Answer 2

true

Step-by-step explanation:

lactase is the enzyme that leads to the hydrolisis of lactose, when lactose is present the e coli needs to hydrolyse it to simple sugars so it needs to active the gene for lactase synthesis