Wild type E.coli cells are growing in normal medium with glucose. They are transferred to a medium c

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5.Molecular Basis of Inheritance

medium

Wild type E.coli cells are growing in normal medium with glucose. They are transferred to a medium containing only lactose as the sugar. Which one of the following changes take place

The lac-Operon is repressed

All Operons are induced

E. coli cells stop dividing

The lac-Operon is induced

(AIPMT-1995)

Solution

(d)Lac operon : cluster of genes that regulates production of enzymes needed to metabolize lactose in bacterial cells $(E. coli)$. It is an inducible operon.

Standard 12

Biology

Genes that are involved in turning on or off the transcription of a set of structural genes are called

medium

(AIPMT-1998)

In the lac operon which one is responsible for code of repressor ?

medium

$A$ : Single $DNA$ dependent $RNA$ polymerase catalyses transcription of all types of $RNA$ in all except bacteria.
$R$ : Structural genes in bacteria are monocistronic.

medium

The lac operon consists of

medium

(AIPMT-2010)

In lac operon, $z$ gene codes for:

medium

(NEET-2022)

Wild type E.coli cells are growing in normal medium with glucose. They are transferred to a medium containing only lactose as the sugar. Which one of the following changes take place

Solution

Similar Questions

Genes that are involved in turning on or off the transcription of a set of structural genes are called

In the lac operon which one is responsible for code of repressor ?

$A$ : Single $DNA$ dependent $RNA$ polymerase catalyses transcription of all types of $RNA$ in all except bacteria. $R$ : Structural genes in bacteria are monocistronic.

The lac operon consists of

In lac operon, $z$ gene codes for:

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$A$ : Single $DNA$ dependent $RNA$ polymerase catalyses transcription of all types of $RNA$ in all except bacteria.
$R$ : Structural genes in bacteria are monocistronic.