Which is true for repressible operon :

Important Questions on Molecular Basis of Inheritance

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Beta Question Bank for Medical: Biology>Chapter 28 - Molecular Basis of Inheritance>EXERCISE- I (Conceptual Questions)>Q 149

Which of the following is not produced by $\mathrm{E}.\mathrm{Coli}$ in the lactose operon -

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Beta Question Bank for Medical: Biology>Chapter 28 - Molecular Basis of Inheritance>EXERCISE- I (Conceptual Questions)>Q 150

A functional complex comprising a cluster of genes including structural gene, a promoter gene, an operator gene and a regulator gene was discovered by :-

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Beta Question Bank for Medical: Biology>Chapter 28 - Molecular Basis of Inheritance>EXERCISE- I (Conceptual Questions)>Q 151

Who explained the operon model for the first time

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Beta Question Bank for Medical: Biology>Chapter 28 - Molecular Basis of Inheritance>EXERCISE- I (Conceptual Questions)>Q 152

The accessibility of promoters regions of prokaryotic $\mathrm{DNA}$ by $\mathrm{RNA}$ polymerase is in many cases regulated by the interaction of some protein with sequences termed as -

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Beta Question Bank for Medical: Biology>Chapter 28 - Molecular Basis of Inheritance>EXERCISE- I (Conceptual Questions)>Q 153

Which is incorrect

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Beta Question Bank for Medical: Biology>Chapter 28 - Molecular Basis of Inheritance>EXERCISE- I (Conceptual Questions)>Q 154

Which is the primary step for regulation of gene expression.

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Beta Question Bank for Medical: Biology>Chapter 28 - Molecular Basis of Inheritance>EXERCISE- I (Conceptual Questions)>Q 155

Find out the correct sequence of structural gene in lac operon

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Beta Question Bank for Medical: Biology>Chapter 28 - Molecular Basis of Inheritance>EXERCISE- I (Conceptual Questions)>Q 157

After a mutation at a genetic locus the character of an organism changes due to the change in