Term
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Definition
| Agent capable of causing disease; usually applied to living agents, except viruses, in this case. |
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Term
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Definition
| Infectious particle made only of a piece of DNA or RNA surrounded by a protein coat. |
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Term
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Definition
| Piece of single-stranded RNA without a protein coast; cause disease in plants. |
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Term
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Definition
| Infectious particle made only of protein, no genetic material; body has no immune response to a protein, so are always deadly. |
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Term
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Definition
| Single-celled organism that can prey on body cells. |
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Term
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Definition
| Organisms that grow on a host and feed off it. Some parasites kill host. |
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Term
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Definition
| Organism that can be one or more cells. Usually occurs in war and damp areas. |
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Term
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Definition
| Single-celled organism that has no nucleus (prokaryotic). |
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Term
| Living Characteristics of a Virus |
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Definition
| Has nucleic acid; can reproduce with the help of another organism; can evolve and adapt. |
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Term
| Non-living Characteristics of a Virus |
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Definition
| Not made of cells; does not require energy; does not grow and develop; can not reproduce on its own; does not respond to stimuli; can crystallize. |
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Term
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Definition
| Anything that carries a pathogen and transmits it to healthy cells of the host. |
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Term
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Definition
| Spread of pathogen through physical touch. |
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Term
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Definition
| Spread of pathogen without physical touch of infected object. |
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Term
| Infectious/Noninfectious Diseases |
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Definition
| Infectious can be passed from one organism to another; non, it can not. |
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Term
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Definition
| Weakened or killed pathogen that, upon administration, stimulates antibody production or cellular immunity against the pathogen but is incapable of causing sever infection. |
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Term
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Definition
| Substance produced by or derived from certain organisms that can destroy or inhibit the growth of other microorganisms. |
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Term
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Definition
| Virus' primary means of replication; lyses, or breaks through cell. |
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Term
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Definition
| Replicated through cell division; triggers when senses aspects needed to trigger. |
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Term
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Definition
| Virus that makes RNA to produce DNA. |
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Term
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Definition
| Viruses that invade bacteria. |
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