Prokaryotes Flashcards

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1
Q

Prokaryotes

A

First life forms
Unicellular
No organelles
Plasma membrane is in folded

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2
Q

Pathogenic

A

Disease causing

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3
Q

Mutualistic

A

Aid in digestion

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4
Q

Commensalistic

A

Present, but little effect

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5
Q

3 shapes of bacteria

A

Bacillus- rod shaped
Coccus- spherical
Spirillum- cork screw

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6
Q

Phototrophic

A

Use light to produce food

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7
Q

Chemotrophic

A

Use chemicals to produce food (bacteria)

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8
Q

Heterotrophic

A

Consume organisms (eukaryotes)

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9
Q

Gram negative

A

Pink color- polysaccharide
Pathogenic (harder to kill)
Less peptidoglycan wall

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10
Q

Gram positive

A

Purple in color

Thicker peptidoglycan wall

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11
Q

4 Bacteria

PCCS

A

Proteobacteria
Chlamydiae
Cyanobacteria
Spirochetes

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12
Q

Proteobacteria

A

Origin of mitochondria
Reproduction- binary fission, circular chromosome contains DNA
Ex) E. Coli. Salmonella, gonorrhea, food poisoning

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13
Q

Chlamydiae

A

Endosymbiosis- live in cell of host

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14
Q

Cyanobacteria

A

Responsible for oxygen on earth
Performs photosynthesis
Nitrogen->ammoniag
Anaerobic and aerobic

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15
Q

Spirochetes

A

Axial filaments
T.pallidum=syphilis
Borellia= Lyme disease

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16
Q

Viruses

A

Chicken pox, hepatitis, Ebola, measles

Not a life form- they only grow and SOMETIMES reproduce

17
Q

What is life?

A

Growth
Self-reproducing
Metabolism
Respond to stimuli