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Samenvatting leerdoel bacteriën en virussen - uitgewerkt
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Uitgewerkt leerdoel rond bacteriën en virussen
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Leerdoel Bacteriën en virussen – casus 3 –meneer Peters
Bacteriën
Behoren tot het rijk prokaryota
Prokaryota
Pro: voor
Karyon: kern
Organismen zonder celkern
Bouw/morfologie
Eén cel zonder kern:
o Cytoplasmamembraan
o Celinhoud
o Celwand: is chemisch complex => daarom de gramkleuring
2 types bacteriën:
o Grampositieve (dikke peptidoglycaan membraan -> kan goed de kleur violet
opnemen, zo is dit ook zichtbaar in testen voor antibiotica)
o Gramnegatieve
Beide bacteriën w bestreden met een ander antibiotica
Classificatie
Morfologie (= uitwendige bouw)
Fysiologie (= werking vh organisme)
Morfologische classificatie
Met/zonder flagel (= staartje ad cel)
Uitzicht kolonie
Gram-positief of gram-negatief
Vorm:
o Bol (= coccus)
- Streptococcus (ketting)
- Staphylococcus (als druiventros)
o Staaf (= bacillus)
o Spiraal/komma (= spirillus)
- Vibrio (minder dan 1 draai)
- Spirillium (1 à 2 draaien)
- Sporicheten (meer dan 2 draaien)
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