Foundations in Microbiology 9th Edition by Kathleen Park Talaro, Barry Chess

تمرين 12

Select the correct answer from the answers provided. For questions with blanks, choose the combination of answers that most accurately completes the statement. The lac operon is usually in the _______ position and is activated by a\an _______ molecule.
A) on, repressor
B) off, inducer
C) on, inducer
D) off, repressor