In Operon concept, the regulator gene regulates chemical reactions in

1.	In Operon concept, the regulator gene regulates chemical reactions in the cell by [AIIMS 1985]
A.	Inactivating enzymes in the reaction
B.	Inhibiting transcription of mRNA
C.	Inhibiting migration of mRNA into cytoplasm
D.	Inhibiting the substrate in the reaction
Answer» B. Inhibiting transcription of mRNA

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In Operon concept, the regulator gene regulates chemical reactions in the cell by [AIIMS 1985]

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