A bacterium is unable to transport lactose into the cell to be broken down. Which gene is likely mutated in this bacterium?
A)lacZ
B)lacY
C)lacI
D)lacP
E)lacO

Question

Quizplus · Accepted Answer

The lacY gene codes for the lactose permease protein, which is responsible for transporting lactose into the cell. A mutation in this gene would result in the inability to transport lactose into the cell, as described in the scenario.

A Bacterium Is Unable to Transport Lactose into the Cell