I don't know where the question needs to go, but it doesn't need to go to askubuntu. I'm looking at a tar.xz file on a totally non-Ubuntu operating system, and found this page Googling. I certainly wouldn't have known to look in Ubuntu. â skiphoppy Dec 9 '13 at 17:57.
An electronic press kit (EPK) is a press kit equivalent in electronic form. An EPK usually takes the form of a website or e-mail, though they are also known to exist in CD and DVD form.
Erythropoietin (EPO), a large (193 amino acid residue) glycoprotein hormone secreted by the kidney, regulates RBC production. Normally, EPO levels vary inversely with hematocrit. Hypoxia stimulates EPO release, which, in turn, stimulates bone marrow erythrocyte production. High blood levels of RBC, hemoglobin, hematocrit, or oxygen suppress the release of EPO.