Session 2 - Microbes and the Infection Model Flashcards Preview

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Flashcards in Session 2 - Microbes and the Infection Model Deck (5)
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1

Describe the structure of a standard virus

2

Describe the structure of a standard bacteria

3

What shapes and arrangements can bacteria come in?

Coccus/ cocci: circular shapes

Bacillus/ bacilli: rod shapes

Cocci can come in either chains or clusters

4

What is gram staining?

Gram staining is a form of bacterial testing that allows us to identify certain bacterial microorganisms.

Bacteria are either gram positive or gram negative.

Gram positive is blue.

Gram negative is red (these tend to be more dangerous) this is due to the presence of the endotoxin, lipopolysaccharide, which is highly toxic and encapsulates the bacteria.

5

What is the infection model?