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Flashcards in bcm36 Deck (14):
1

size of microbes

less than 1mm

2

size of microbes

3

what were kochs postulations

1. microorganism must be presetn in all cases
2. isolated and grown in pure culture
3. disease reproduced in new host
4. recovered and regrown

4

what did koch show with anthrax?

from cow -> pure culture -> disease -> pure culture

5

what did koch grow his pure culture on?

potato= not all could grow
gelatin and water = not solid at 37 degrees
AGAR!

6

what did anton van leewenhoek do?

powerful magnifier
animacules

7

what did lazzaro spallanzani do

boiled broth killed microbes
sealed
no growth
broke
growth
proposed no spontaneous generation

8

what did louis pasteur do

boiled broth in a swan neck flask
boil - no growth
boil -> break = growth

9

what were kochs postulations

1. microorganism must be presetn in all cases
2. isolated and grown in pure culture
3. disease reproduced in new host
4. recovered and regrown

10

what did koch show with anthrax?

from cow -> pure culture -> disease -> pure culture

11

what did koch grow his pure culture on?

potato= not all could grow
gelatin and water = not solid at 37 degrees
AGAR!

12

what did anton van leewenhoek do?

powerful magnifier
animacules

13

what did lazzaro spallanzani do

boiled broth killed microbes
sealed
no growth
broke
growth
proposed no spontaneous generation

14

what did louis pasteur do

boiled broth in a swan neck flask
boil - no growth
boil -> break = growth