The image below shows the lac operon, which breaks down lactose in
bacteria. Which statement correctly describes the expression of this gene?
lactose
Promoter
Sequence
RNA
Polymerase
Operator
) A. Gene expression is influenced by either high or low lactose levels
in the environment
B. Gene expression is only influenced by low lactose levels in the
environment.
C. Gene expression is not influenced by lactose levels in the
environment
D. Gene expression is only influenced by high lactose levels in the
environment.