Microbiology Day 1
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- What is mad cow disease caused by?
- rogue protein(s)
- When did microbes first emerge?
- Around 3.5 billion years ago
- About how many bacterias in large intestine?
- 100 trillion
- About how many cells in human body?
- 3-4 trillion cells
- When were microbes first discovered?
- Late 1600s
- What are some sicknesses that protista can cause?
- malaria, african sleeping sickness
- Name the 6 types of microbes.
- bacteria, cyanobacteria, viruses, protista, fungi, helminthes
- Describe bacteria
- unicellular, about 1-8 micrometer, prokaryotic
- What does prokaryotic mean?
- no nucleus
- Describe cyanobacteria
- like bacteria but does photosynthesis
- Describe viruses
- proteins or rna shells
- What are examples of helminthes?
- round/flukes/tape worms
- What are bacteria measured in?
- micrometer
- Who developed the first microscope?
- Van Leeuwenhoek
- Describe Van Leeuwenhoek
- Holland, first microscope, 1680s, magnified about 200x-300x, named animalcules
- Scientist, Redi. What did he do?
- Italian, 1668, maggots to fly experiment, begins to disprove spontaneous generation
- Who came up with the swan neck flask, what did it disprove, when?
- Pasteur, spontaneous generation, around 1864
- Who explained that microbes have roles in fermentation and putrefaction?
- Pasteur