RE-NEET 2024 Botany Lac Operon Assertion Reason Question
Given below are two statements:
Statement I: In the lac operon, the z gene codes for beta-galactosidase which is primarily responsible for the hydrolysis of lactose into galactose and glucose.
Statement II: In addition to lactose, glucose or galactose can also induce lac operon.
In the light of the above statements, choose the correct answer from the options given below:
Statement I is true but Statement II is false
Statement I is false but Statement II is true
Both Statement I and Statement II are true
Both Statement I and Statement II are false
Correct Answer
Detailed Explanation
Statement I is true as the z gene in the lac operon indeed codes for beta-galactosidase. Statement II is false because glucose or galactose do not induce the lac operon; rather, they inhibit it.
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