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Micro Chapter 3 KT
| Question | Answer |
|---|---|
| Protozoa and bacteria | micrometer range (10^-6) |
| viruses | nanometer range (10^-9) |
| fungi and helminths | milimeter (10^-3) |
| light microscope sees | micrometer range -----> bacteria, protazoa |
| electron microscope sees | nanometer range -----> virus |
| Gram Stain | cell wall --> violet dye --> iodine locks it in --> alcohol cleanse --> thick stays purple, thin turns clear --> safronin turns thin pink |
| Gram positive cells | thick, purple |
| Gram negative cells | thin, pink |
| acid fast stain... | mycobacterium tuberculosis |
| flagella stain | petritrichous flagella |
| endospore stain | views endospores |