Instructional Video3:07
Curated Video

Cysteine Lactose Electrolyte Deficient Agar

9th - Higher Ed
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...
Instructional Video2:46
Catalyst University

Microbiology: Citrate Agar

Higher Ed
Microbiology: Citrate Agar
Instructional Video
Khan Academy

Khan Academy: What's Going On: Create Carbon Dioxide Gas That Diffuses Into Liq

9th - 10th
Learn about passive diffusion and discover how this chemical process relates to big changes in our oceans. [4:12]