AIPMT MAINS2010Botany-Genetics
AIPMT MAINS 2010 Botany Gene Expression MCQ Question
Type: MCQ-conceptual-Medium-Class 12
The lac operon consists of
A
Four regulatory genes only
B
One regulatory gene and three structural genes
C
Two regulatory genes and two structural genes
D
Three regulatory genes and three structural genes
Correct Answer
Option B
Detailed Explanation
The lac operon consists of one regulatory gene (i) and three structural genes (z, y, a).
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