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The main function of a promoter is to bring attention of an event to the public. Boxing promoters, for example, are adept at hyping fights to heighten interest.
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Is operon proteins?
Operon is not a protein. It is a segment of DNA that has cluster of genes controlled by the elements such as promoter, operator. Lac operon is a classic example where it regulate the utilization of Lactose in the medium.
What is promoters and an operator together called?
Operon. It contains the promoter, operator, and the structural gene.
Is operon the sequence of bases on a gene that does not code for protein?
operon is a group of genes regulated by a single promoter and operator. . . generally all the genes (structural genes of a particular operon) regulate a specific metabolic pathway. . (eg : lac operon in bacteria; where 3 genes are regulated by a single promoter sequece which help in the catabolism of lactose). . . if you have any doubts mail me at vegi.chaitanya@gmial.com
How does active CAP induce expression of the genes of the lactose operon?
It stimulates the binding of RNA polymerase to the promoter.
How does the active CAP induce expression of the genes of the lactose operon?
It stimulates the binding of RNA polymerase to the promoter.
What is a collective name for a group of genes involved in the same function their promoter site and their operator?
Operon
What does the promoter of the lac operon sac do?
The promoter region of the lac operon is where the RNA polymerase begins to bind for the transcription of the structural gene Y and Z
In bacteria a group of genes that code for functionally related enzymestheir promoter site and the operator that controls them all function together as an?
An operon
How does the repressor protien prevent transcription?
it blocks the promoter from the operon.
Is operon proteins?
Operon is not a protein. It is a segment of DNA that has cluster of genes controlled by the elements such as promoter, operator. Lac operon is a classic example where it regulate the utilization of Lactose in the medium.
An operon is composed of?
An operon is a group of genes that operate together.Operon- a functioning unit of genomic DNA containing a cluster of genes under the control of a single regulatory signal or promoter.Operons are clusters of genes consisting of one operator and promoter. There are a lac operon, which is responsible for metabolism of glucose. And there is also the Trp operon, which is responsible for synthesising tryptophan.
What is promoters and an operator together called?
Operon. It contains the promoter, operator, and the structural gene.
Is operon the sequence of bases on a gene that does not code for protein?
operon is a group of genes regulated by a single promoter and operator. . . generally all the genes (structural genes of a particular operon) regulate a specific metabolic pathway. . (eg : lac operon in bacteria; where 3 genes are regulated by a single promoter sequece which help in the catabolism of lactose). . . if you have any doubts mail me at vegi.chaitanya@gmial.com
How does active CAP induce expression of the genes of the lactose operon?
It stimulates the binding of RNA polymerase to the promoter.
How does the active CAP induce expression of the genes of the lactose operon?
It stimulates the binding of RNA polymerase to the promoter.
Where on the lac operon does transcription take place?
The lac operon encodes enzymes required in the digestion and transport of lactose. Transcription is activated when there is lactose in the cellular environment, and RNA polymerase binds to the promoter region of the operon, and activates the expression of lacA, lacZ and lacY.
What environmental factor causes the lac operon to turn on?
In the lac operon model, lactose acts as in inducer molecule. In the presence of lactose, the molecule binds to the repressor protein. This repressor-lactose complex is unable to bind to the promoter. When the promoter is not occupied, RNA pol - II binds to it and begins transcribing the structural genes located downstream. Thus, the lac operon is turned on in the presence of lactose.
