Results for: Operon

In Microbiology

What is an operon?

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 (MORE)
In Microbiology

What organisms have operons?

Operons appear most in prokaryotes, however can also be found in some eukaryotic organisms such as the nematode. The nature of this is because operons produce polycistronic mR (MORE)
In Microbiology

What is an operon composed of?

An Operon is composed of three things: 1. Promoter: Region of DNA where RNA Polymerase initiates transcription. 2. Operator: Signal for transcription of structural gene (MORE)
In Microbiology

How does an operon work?

operon are the cluster of genes which are present to each other and having functions in realted manner as one gene is promoter which promote the function of other genes and on (MORE)
In Microbiology

What is a repressible operon?

is one that is usually on; binding of a repressor to the operator shuts off transcription
In Microbiology

An operon is composed of?

An operon is a mechanism that controls gene expression. They arecomposed of three parts. They are the promoter, operator and gene.
In Microbiology

What is a melibiose operon?

The melibiose operon is a group of genes found in Gram Negative Enterobacteria that regulate melibiose degradation as a carbon source. It consists of three genes, which are a (MORE)
In Microbiology

How is an inducible operon different from a repressible operon?

The differences between these two types of operons are significant. In the repressible operon, The product is the regulatory metabolite and starts in the "on" position allowin (MORE)
In Microbiology

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 regul (MORE)
In Uncategorized

Can operons have introns?

Operons do not have introns. The activity of an intoron occurs in a complex DNA structure not in the area of an operons which leaves no room for them.