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In lac operon , the genes a, I, y and z ...

In lac operon , the genes a, I, y and z code respectively for

A

Repressor protein, permease,` beta` - galactosidase,

B

Transacetylase, permease, `beta`- galactosidase , repressor proteion

C

Permease, transacetyase , repressor Protein,`beta` - galactosidase

D

Transacetylase, repressor protein, permease, `beta` - galactosidase

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The correct Answer is:
D
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ERRORLESS -MOLECULAR BASIS OF INHERITANCE-Molecular Basis Of Inheritance
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  4. In Operon concept, regulator gene functions as

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