Question

The enzymes for lactose utilization are not typically produced unless lactose is present. In order to remove the repressor protein from the operator, allolactose (an isomer of lactose) must serve a(n)
a
repressor
b
inducer
c
operator
d
promoter
e
protein

Answer 1

@florisalreadytaken

Answer 2

https://www.khanacademy.org/science/ap-biology/gene-expression-and-regulation/regulation-of-gene-expression-and-cell-specialization/a/the-lac-operon

Answer 3

that should help ^^^