MHT CET · BIOLOGY · STD 12 - 4. Molecular Basis of Inheritance
Identify the INCORRECT statement from the following with reference to lac operon.
- A It is a unit of gene expression and regulation for lactose sugar metabolism in E. coli.
- B Lactose sugar enters the cell due to the activity of enzyme permease.
- C Operators are present between promoters and structural genes.
- D The structural gene 'z' codes for ẞ-galactosidase, 'y' for transacetylase and 'a' for permease.
Answer & Solution
Correct Answer
(D) The structural gene 'z' codes for ẞ-galactosidase, 'y' for transacetylase and 'a' for permease.
Step-by-step Solution
Detailed explanation
The structural gene 'z' codes for \(\beta\)-galactosidase, 'y' for permease and 'a' for transacetylase.
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