Microbiology Flashcards

1
Q

Describe the cell wall of gram positive bacteria

A

Have a thick layer of peptidoglycan in their cell wall

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2
Q

Describe the cell wall of gram negative bacteria

A

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

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3
Q

What conditions are necessary for growing bacteria in a lab

A

Suitable temperature
Suitable pH
Oxygen
Nutrients

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4
Q

What bacterial is rod shaped

A

Bacillus

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5
Q

What bacteria is spherical shaped

A

Coccus

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6
Q

What bacteria is helical shaped

A

Sprillium

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7
Q

How is gram negative bacteria harder to kill

A

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

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8
Q

What technique is used to classify different types of bacteria

A

The gram stain technique

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