Video Transcript. My name is Michael and I'm an artist. And I'm going to show you how to draw a husky. You want to start with the ears. Huskies have very alert ears, very tall ears. So, you want to start with the ear. And do the back and do the other ear. The ear is always kind of up tall. Then you start with the face.
Operon. Definition. noun, plural: operons. A group of genes or a segment of DNA that functions as a single transcription unit. It is comprised of an operator, a promoter, and one or more structural genes that are transcribed into one polycistronic mRNA.peron. Definition. noun, plural: operons. A group of genes or a segment of DNA that functions as a single transcription unit. It is comprised of an operator, a promoter, and one or more structural genes that are transcribed into one polycistronic mRNA.
1 Operator â a segment of DNA that a repressor binds to. 2  It is classically defined in the lac operon as a segment between the promoter and the genes of the operon. 3  In the case of a repressor, the repressor protein physically obstructs the RNA polymerase from transcribing the genes.n operon contains one or more structural genes which are generally transcribed into one polycistronic mRNA (a single mRNA molecule that codes for more than one protein). However, the definition of an operon does not require the mRNA to be polycistronic, though in practice, it usually is.