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Curated Video
Cysteine Lactose Electrolyte Deficient Agar
Cysteine Lactose Electrolyte Deficient Agar is a differential media. It is preferred over MacConkey’s agar to differentiate between lactose fermenters and lactose non-fermenters. Organisms that can break lactose produce acidic end...
Khan Academy
Khan Academy: What's Going On: Create Carbon Dioxide Gas That Diffuses Into Liq
Learn about passive diffusion and discover how this chemical process relates to big changes in our oceans. [4:12]