operon in English

noun
1
a unit made up of linked genes that is thought to regulate other genes responsible for protein synthesis.
In bacteria, these genes are clustered in operons , while in eukaryotes, they are widely dispersed throughout the genome.

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1. Www.technologyinsciene.blogspot.comArabinose operon also known as ara Operon, is an operon required for the metabolism of Arabinose.Operon are groups of gene

2. The lac operon uses a two-part control mechanism to ensure that the cell expends energy producing the enzymes encoded by the lac operon only when necessary.

3. A Constitutive mutation in the lac operon may be of several types

4. LacI-lacOc is correct for A Constitutive mutation in the lac operon may be of several types

5. In Archeal genomes, several stages of trpB evolution, TrpA/TrpB cooperation, and operon formation can be observed

6. Resistance to methicillin is mediated via the mec operon, part of the staphylococcal cassette chromosome mec (SCCmec).

7. Thus, Archeal trp genes may serve as a model system for studying the evolution of protein-protein interactions and operon formation.

8. Tryptophan Auxotrophs were constructed by in vitroinsertions of the Tn5 transposon into the tryptophan operon, followed by transformation into M

9. In negative inducible operons, a regulatory repressor protein is normally bound to the operator, which prevents the transcription of the genes on the operon.

10. The Arabinose can only deactivate the operon for so long until the Arabinose enzyme decreases, activating the repressor again and explain thing the gradual decrease in brightness

11. Arabinose operon consists of the set of genes which are responsible for the synthesis of proteins/ enzymes essential for the metabolism of Arabinose sugar in the bacterial system

12. The Attenuator sequence, which is located between the mRNA leader sequence (5' UTR) and trp operon gene sequence, contains four domains, where domain 3 can pair with domain 2 or domain 4

13. L-Arabinose is the naturally occurring isomer and is a constituent of plant polysaccharides. Most bacteria contain an inducible Arabinose operon that codes for a series of enzymes and transporters that allows L-Arabinose to be used as the sole carbon source in microbial culture.

14. Arabinose converts the repressor form of AraC to the activator form to regulate the araBAD promoter (PubMed:2962192, PubMed:3279415).In the absence of Arabinose, AraC binds to the araO2 and araI1 half-sites in the promoter region of the araBAD operon, leading to the formation of a DNA loop that blocks access of RNA polymerase to the promoter.