Anti-Igg G Coted Cells

When we have a negative reaction, we want to insure that the the antihuman globulan reagent that we've added is working. So if there's a negative, we don't know for sure until we add those cells that we know are coted with ig g or compliment. And er i g g coted cells, whatever we callm right? Cooms control cells. We call em check cells. That's why n that. Ga, ok. Those are awesome tips. Gacha, gacha, one and thats.