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In Iac-operon, beta -galactosidase enzym...

In Iac-operon, `beta` -galactosidase enzyme is made by

A

lac-y

B

lac-a

C

lac-z

D

lac-i

Text Solution

Verified by Experts

The correct Answer is:
C
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In the lac operon system, beta-galactosidase is coded by

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Operon is

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In insectional inactivation of beta -galactosidase gene, the bacteria in white colonies have

(a) Name the molecule 'X' synthesised by 'I' gene. How does this molecule get inactivated ? (b) Which one of the structural genes code for beta -galactosidase ? (c) When will the transcription of this gene stop?