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.
Post-transcriptional Controls 289 POST-TRANSCRIPTIONAL CONTROLS We have seen that transcription regulators control gene expression by switching on or off transcription initiation. The vast majority of genes in all organisms are regulated in this way.n Overview of Gene Expression 271made in reticulocytes, the cells that develop into red blood cells, but it cannot be detected in any other cell type.Many proteins in a cell are produced in such small numbers that they cannot be detected by the technique of gel electrophoresis.