| Front | Describe how to test the effect of antibiotics/ disinfectant on bacterial growth |
|---|---|
| Back | 1. Place paper discs soaked in different antibiotics on an agar plate that has an even covering of bacteria, leaving spce between them. 2. Antibiotics should diffuse into agar jelly 3. A clear area will be left where bacteria have died - the inhibition zone 4. Use a control - a dish soaked in sterile water 5. Leave for 48 hours at 25°C 6. The more effective the antibiotic/ disinfectant is, the larger the inhibition zone will be |
Learn with these flashcards. Click next, previous, or up to navigate to more flashcards for this subject.
Next card: Nucleus cell chromosomes turn carries large number genes
Previous card: Cultures incubated degrees school labs harmful pathogens likelly
Up to card list: GCSE AQA Biology 9-1 Cell Biology