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called phages, virus infects bacteria BACTERIophage=BACTERIA |
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| Outer coating of protein, surrounds virus's nuceic acid, arrangement determines virus shape |
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| Living cell which virus replicates in |
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virus injects DNA into host cell 's chromosome, host cell not killed until the lytic stage starts, everytime host cell replicate it also makes another virus |
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| Virus takes over a host cell's genetic material uses host's structures and energy to replicate until host cell bursts (killing it) |
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| Viral DNA put into host cell's chromosome and replicated everytime host cell replicates. |
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Type of viral replication where virus uses reverse transcriptase to make DNA from viral RNA then put in host cell's chromosome Helps make RNA viruses make it to DNA |
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| Enzyme in capsid of retrovirus helps make viral DNA from viral RNA |
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Nonliving, disease causing particles DNA surrounded by capsid and sometimes envelope need host cells not alive because- no membrane can't replicate no repiration, not cells don't grow or age |
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| Asexual reproduction one cell->2 cells identical |
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autotroph process where organisms get energy from breakdown of inorganic compounds sulfer and nitrogen NITROGEN FIXATION |
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sexual reprodustion one bacterium transfers all or part of genetic material to another by bridge called pilus GAY |
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| structure formed when conditions aren't right for bacteria, contains DNA and cytoplasm |
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| Bacteria use enzymes to convert N2 nitrogen in air to NH3 ammonia (fertilizer) |
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| bacteria that need oxygen to live |
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| bacteria killed by air, can live in only oxygen-free environments |
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| poison produced by bacterium |
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