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Gram Staining

In lac operon...

Question

In lac operon of E-coli Bactria the alphabet 'z' represents.

A

Permease

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B

Transcacetylase

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C

β

-galactosidase

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D

Helicase.

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Solution

The correct option is C $β$ -galactosidase
In the Lac Operon of E-Coli bacterium, the alphabet z denotes beta-galactosidase enzyme. The enzymes permease and transacetylase are secreted by the segments represented by alphabet y and a respectively.
So, the correct answer is option C, $β$ -galactosidase.

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