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What else can I help you with?
How many software companies in the world?
approximately 4 lac 90 thousand companines
My brother's aieee 2009 rank is 2 lac something and state rank is 30 thousand something Is there any chance for him to get a collegen any stream?
It is not possible to get any gov. college . but you may try for private college. sushil semwal education specialist
Is the lac operon found in prokaryotes or eukaryotes?
The lac operon is found in prokaryotes, specifically in bacteria such as Escherichia coli. It is a regulatory system that controls the expression of genes involved in lactose metabolism. Eukaryotic cells do not typically have operons like the lac operon.
What is the comparison between lac operon and trp operon?
The lac operon and trp operon are both key regulatory mechanisms in bacteria that control gene expression in response to environmental conditions. The lac operon, which is involved in lactose metabolism, is activated in the presence of lactose and inhibited by glucose, functioning primarily through an inducible system. In contrast, the trp operon regulates tryptophan biosynthesis and operates as a repressible system, being turned off when tryptophan levels are sufficient. Thus, while the lac operon responds to the availability of substrates, the trp operon responds to the abundance of end products.
What regarding control of the lac operon and lactose utilization in bacteria is false?
Bacteria preferentially utilize lactose as a carbon source.
Is the lac operon the only example of genes regulated by repressor proteins?
No, the lac operon is not the only example of genes regulated by repressor proteins. There are many other gene regulatory systems where repressor proteins play a role in controlling gene expression. Examples include the trp operon, the ara operon, and the gal operon in bacteria.
How much is a Lac worth?
In the Indian numbering system, a Lac is equal to 100,000. Therefore, 1 Lac is equal to 100,000.
Why do both bacteria and humans need tryptophan?
Tryptophan induces the lac operon.
What provider is an lac?
An LAC (Local Access and Transport Area) is typically a geographical area defined for telecommunications purposes that is served by one or more local telephone companies. The specific provider of services within an LAC can vary depending on the region and the regulatory environment.
In the presence of a regulatory protein the lac Oberon is?
In the presence of a regulatory protein, specifically the lac repressor, the lac operon is typically turned off. The repressor binds to the operator region of the operon, preventing RNA polymerase from transcribing the genes necessary for lactose metabolism. When lactose is present, it binds to the repressor, causing a conformational change that releases it from the operator, thereby allowing transcription to proceed. This regulation is an example of negative control in gene expression.
What region of the operon does the repressor bind to?
I assume you mean the lac operon. The repressor binds upstream of the gene(s) in the regulatory gene region.
What would happen to the lac operon if a bacterium were growing in the presence of both glucose and lactose?
In the presence of both glucose and lactose, the lac operon would be repressed. Glucose inhibits the production of cAMP, which is needed to activate the lac operon. Since glucose is the preferred energy source, the bacterium would utilize glucose and the lac operon would remain inactive.
When is gene expression blocked in the lac operon system?
Gene expression is blocked in the lac operon system when the lac repressor binds to the operator in the presence of lactose. This prevents RNA polymerase from transcribing the genes, keeping the system off until lactose is available to derepress the operon.
What are some important lakes in France?
By order of size: Lake Geneva, Lake Bourget, Lac de Serre-Poncon Lake Annecy, Lac de Saint Croix, Lake Alguebelette, Lac de Guerledan,
