Beta-hemolysis patterns on Blood Agar best viewed from underside of plate.
1. Bottom of sterile plate of BAP. The bottom of a BAP plate with Gamma-hemolytic bacteria would look the same; 2. Sterile plate of BAP with camera reflected; 3. Sterile, labeled plate of blood agar; 4. Sterile MacComkey's agar, Mannitol Salt agar and Blood agar (clockwise from top left).
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