Suppose lactose is in high concentration and glucose is in low concentration in the surrounding media, yet the cell is not taking in much lactose.The lactose that is taken in is quickly metabolized.The most likely explanation for this is a mutation in

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A mutation in the gene coding for β-galactoside permease would result in a decrease in the amount of lactose transported into the cell, leading to low levels of β-galactosidase production and metabolism of the lactose that is transported into the cell. The other options listed would not directly affect the amount of lactose transported into the cell.

Suppose Lactose Is in High Concentration and Glucose Is in Low