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BIOL UNIT 3 mrs thomas > Microbiology > Flashcards

Flashcards in Microbiology Deck (8)
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1

Describe the cell wall of gram positive bacteria

Have a thick layer of peptidoglycan in their cell wall

2

Describe the cell wall of gram negative bacteria

Have a thin layer of peptidoglycan in their cel wall covered by an outer layer of lipopylsacchardies

3

What conditions are necessary for growing bacteria in a lab

Suitable temperature
Suitable pH
Oxygen
Nutrients

4

What bacterial is rod shaped

Bacillus

5

What bacteria is spherical shaped

Coccus

6

What bacteria is helical shaped

Sprillium

7

How is gram negative bacteria harder to kill

The outer layer of lipolysaccharide provides some protection against antibiotics and the enzyme lysozyme and therefore making gram negative bacteria harder to kill

8

What technique is used to classify different types of bacteria

The gram stain technique