Prokaryotes + Viruses

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9 Terms

1
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Oscillatoria (Cyanobacteria)

long filament with oscillatory mvmt, breaks into pieces called hormogonium

<p>long filament with oscillatory mvmt, breaks into pieces called hormogonium</p>
2
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Cyanobacteria (blue-green algae)

photosynthetic bacteria,

Pigments: chlorophyll a, carotenoids, phycobilins

Colonial, free living or symbiotic

<p>photosynthetic bacteria,</p><p>Pigments: chlorophyll a, carotenoids, phycobilins</p><p>Colonial, free living or symbiotic</p>
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Nostoc (cyanobacteria)

gelatinous balls of filaments with heterocysts

<p>gelatinous balls of filaments with heterocysts</p>
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Heterocysts

nitrogen-fixing cells

<p>nitrogen-fixing cells</p>
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Akinetes

thick walled dormant cells specialized for survival

<p>thick walled dormant cells specialized for survival</p>
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Anabaena (Cyanobacteria)

chains of cells, with akinetes and heterocysts

<p>chains of cells, with akinetes and heterocysts</p>
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Stromatolites

Oldest known fossils formed from many layers of bacteria and sediment.

<p>Oldest known fossils formed from many layers of bacteria and sediment.</p>
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Archaea Types

methanogens, halophiles, thermophiles

<p>methanogens, halophiles, thermophiles</p>
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Viruses and viral diseases

Nonliving; Insect vector, causes ring spot and mosaic

<p>Nonliving; Insect vector, causes ring spot and mosaic</p>