HEK 293 cells may vary. The following proteins of interest (among many others) are commonly found in untreated HEK 293 cells: HEK 293 cells Human embryonic kidney 293 cells, also often referred to as HEK 293, HEK-293, 293 cells, or less precisely as HEK cells, are a specific cell line originally derived from human embryonic kidney cells grown in tissue culture. HEK 293 cells have been widely used in cell biology research for many years, because of their reliable growth and propensity for transfection. They are also used by the biotechnology industry to produce therapeutic proteins and viruses for gene therapy. HEK 293
How to Make Gravy How to Make Gravy How to Make Gravy is a four-track EP by Australian singer-songwriter Paul Kelly and was originally released on 4 November 1996 on White Label Records in Australia. The title track was written by Kelly and earned him a 'Song of the Year' nomination at the Australasian Performing Right Association (APRA) Music Awards of 1998. It tells the story of a newly imprisoned man writing a letter to his brother, in which the prisoner laments that he will be missing the family's Christmas celebrations. The same character appears in Kelly's earlier songs, "To Her Door" (1987) and