One name that jumps out from the list above: Philip Morris Companies Inc, one of the world's largest manufacturers of cigarettes and tobacco products. Philipmorris.com states: The Philip Morris name has long been associated with high quality tobacco products and globally recognized cigarette brands.
A type of gene expression control in bacteria. Transcription of a gene under this type of control is induced only when a repressor protein present in the cell is inactivated.
The regulation of transcription is a vital process in all living organisms. It is orchestrated by transcription factors and other proteins working in concert to finely tune the amount of RNA being produced through a variety of mechanisms.ranscriptional initiation, termination and regulation are mediated by âDNA loopingâ which brings together promoters, enhancers, transcription factors and RNA processing factors to accurately regulate gene expression.