Respuesta :
Not transcribed is operon
- tryptophan present in trp operon
- lac operon: no lactose
Operon transcription is not accelerated under positive control:
- tryptophan absence in the trp operon
- Lac operon: present lactose, present glucose
Rapid transcription of an operon is achieved through positive control:
- Lac operon: Lactose present but no glucose
What are operons and how do they differ?
Operon: An operon is a collection of genes with similar functions that is regulated by a single promoter, operator, and repressor. There are two types of operons: When an inducer, such as the Lac operon, is present, this sort of operon turns on.
The operon is where?
Similar genes are frequently located together on the chromosome of bacteria, where they are produced as a single unit from a single promoter (RNA polymerase binding site). An operon is a collection of genes that is under the control of a single promoter.
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