Classifications Between Archaebacteria and Eubacteria Flashcards

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1
Q

What is used to classify archaebacteria?

A

The environment

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2
Q

What is used to classify eubacteria?

A

Gram staining

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3
Q

What does gram staining do?

A

Determines lipid content through the thickness of peptidoglycan and cell membranes.

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4
Q

How does gram staining classify eubacteria?

A

When the bacteria is gram negative, it is pink, so there are two membranes + thin layers of peptidoglycan. When the bacteria is gram positive, it is purple, so there is one membrane + a thick layer of peptidoglycan.

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5
Q

Gram-positive microorganisms have higher ______________ content, whereas gram-negative organisms have higher ________ content.

A

peptidoglycan; lipid

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6
Q

Gram-negative eubacteria are less susceptible to antibiotics because….

A

extra membrane makes it harder to penetrate the cell wall.

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7
Q

Gram-positive eubacteria are more susceptible to antibiotics because….

A

they only have one membrane.

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8
Q

What does “diplo” mean?

A

In pairs

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9
Q

What does “staphylo” mean?

A

Clumped

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10
Q

What does “strepto” mean?

A

Chain

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11
Q

What does “coccus” mean?

A

Round

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12
Q

What does “Bacillus” mean?

A

rod-shaped

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13
Q

What does Spirillum mean?

A

spiral

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