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Definition
| single-celled organisms that lack a nucleus |
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Definition
| spherical shaped prokaryotes |
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| spiral-shaped prokaryotes |
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Definition
| must take in organic molecules for food and energy |
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| photosynthetic but also must take in organic compounds |
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Definition
| make their own food using energy in chemicals |
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| require a constant supply of oxygen to live |
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Definition
| must live in the absence of oxygen |
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Definition
| can survive with or without oxygen |
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Definition
| bacteria grows until it doubles it sizes and simply splits in 2 daughter cell |
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Definition
| a process of exchanging genetic information |
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| one type of spore formed when a bacterium produces a thick internal wall that encloses its DNA |
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Definition
| bacteria convert nitrogen from the air into a molecule that plants can absorb |
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Definition
| protein coat of the virus |
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Definition
| viral DNA in the host DNA |
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Definition
| particles of nucleic acids and proteins; non-living;reproduce |
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Definition
| viruses that have RNA as their genetic material |
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Definition
| viruses that infect bacteria |
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Definition
| single stranded RNA molecules that have no surrounding capsids; affect plant cells |
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Definition
| protein molecules that cause disease; affect animal cells |
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Definition
| preparation of weakened or killed pathogen |
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