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18 Cards in this Set
- Front
- Back
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prokaryotes
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single celled organisms lacking a nucleus
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bacillus
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rod shaped prokaryote
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spirilla
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spiral and corkscrew shaped prokaryotes
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flagella
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whiplike structures used for movement
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photoautotroph
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prokaryotes that carry out photosynthesis in a manner like plants
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chemoautotrophs
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prokaryotes that obtain energy from inorganic molecules
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photoheterotrophs
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prokaryote that is photsynthetic but also needs organic compounds for nutrition
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nitrogen fixation
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process of converting oxygen into a form plants can use
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pathogens
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disease causing agents, such as bacterium or fungi
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Antibiotic
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compounds that block growth and reproduction of bacteria
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Sterilization
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destroying bacteria by subjecting them to either great heat or chemical action
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Virus
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particles made up of nucleic acid, protein, and in some cases lipids that can replicate only by infecting other cells
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capsid
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a virus's outer protein coat
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bacteriophage
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viruses that infect bacteria
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lytic infection
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process in which a virus enters a cell, makes a copy of itself, and causes the cell to burst
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lysogenic infection
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host cell makes copies of the virus indefinitely
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Retrovirus
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viruses that contain RNA as their genetic info
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prions
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infectious particle made up of protein rather than RNA or DNA
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