Question

In the absence of glucose,

e. coli can import lactose to change into glucose and galactose because cap binds to the

Answer 1

they are binds to the DNA...

Answer 2

Answer:

f both glucose and lactose are both present, lactose binds to the repressor and prevents it from binding to the operator region. ... If, however, glucose is absent and lactose becomes the only available carbon source, the picture changes. Lactose still prevents the repressor from binding to the operator region.