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Keys for Tropical Medicine 1 (ソースを閲覧)

614 バイト追加、 2022年12月5日 (月) 17:08

==Bacteria==

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|title=

Biological basis of Gram staining

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*Bacteria have both of '''cell wall''' and '''cell membrane'''

**Human and other animal cells have no cell wall

**Plant cells have cell wall

*Some bacteria have thick cell wall without outer membrane

*Other bacteria have thin cell wall with outer membrane

*Cell wall contains a layer of Peptidoglycan

[[File:File_Bacterial_cell_walls.jpg|350px|none]]

*Thick peptidoglycan layer catches and keep crystal violet with iodine

*Outer membrane catches crystal violet with iodine but easily lose them by ethanol rinsing

[[File:Gram_Stain.png|none|800px]]

}}

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