NEET Solved Paper 2016 Question 17
Question: Which of the following is required as inducer(s) for the expression of Lac operon?
Options:
A) Glucose
B) Galactose
C) Lactose
D) Lactose and galactose
Show Answer
Answer:
Correct Answer: C
Solution:
- Lac operon becomes active only after inducing lactose as it is a substrate for the enzyme beta-galactosidase and it also regulates the switching on and off of the operon which cannot be done by glucose and galactose.
