Question

ഒരു ലാക് ഓപ്പറോണിൽ എത്ര ഘടനാപരമായ ജീനുകൾ ഉണ്ട്?

• A. One
• B. Five
• C. Three
• D. Seven

Answer 1

Answer:

C. Three

A lac operon consists of one regulatory gene (i) and three structural genes (z, y and a). The “i” in regulatory gene is derived from the word “inhibitor”.