The action of structural genes is regulated by …………….. site with the help of a …………….. protein.
A. operator, inducer
B. operator, repressor
C. regulator, repressor
D. regulator, inducer
Answer:B
The action of structural genes is regulated by …………….. site with the help of a …………….. protein.
A. operator, inducer B. operator, repressor C. regulator, repressor D. regulator, inducer