An operon is a group of genes under the control of a single promotoer. Match eac

Question

An operon is a group of genes under the control of a single promotoer. Match each type of operon with the descriptions below.

An operon is a group of genes under the control of a single promoter. Match each type of operon with the descriptions below Inducible Repressible Constitutive Under default conditions, transcription is inhibited. Transcription stops when the repressor gene product is activated. Transcription occurs regardless of environmental conditions Sufficient amounts of the gene product inhibit further transcription.

Explanation / Answer

Inducible operon - Under default conditions , transcription is inhibited.it become activated when a inducer wil come into the medium.for eg. lac operon is an inducible operon . In normal conditions it wil remain off but when glucose come into the media then the operon become active and start to synhesize enzyme.

Repressible operon- Sufficient amount of gene product inhibit further transcription and transcription stop when the repressor gene product become activated. These operon are normally on something must happen to repress the transcription. Ex. trp operon is an repressible operon.

constitutive operon- Transcription occurs regardless of environmental conditions. A constitutive gene is not regulated and is expressed continually.

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