STANDARDZoology-Genetics
STANDARD Zoology Operon Model MCQ Question
Type: MCQ-conceptual-Medium
All of the following are part of an operon except
A
A promoter
B
An enhancer
C
Structural genes
D
An operator
Correct Answer
Option B
Detailed Explanation
Lac-operon is a segment of DNA that has a promoter gene, regulator gene, operator gene and structural gene.
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