front 1 What is the application (purpose) of MacConkey agar? | back 1 Used to isolate and differentiate members of the enterobacteriaceae based on the ability to ferment lactose. |
front 2 What does carbon supply in the MCC agar? | back 2 ____ supplies pancreatic digest of gelatin and casein in MCC agar |
front 3 What does Nitrogen supply in the MCC agar? | back 3 ____ supplies peptic digest of animal tissue |
front 4 What are the roles of crystal violet and bile salts in MacConkey agar? | back 4 Inhibit the growth of gram positive bacteria |
front 5 What are the roles of neutral red and lactose in MacConkey agar? | back 5 Neutral red is a pH indicator à COLORLESS: 6.8 +; RED: below 6.8 Lactose – fermented to produce acid end products which lower the pH and turn colonies pink-red |