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Cards In This Set
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What causes TB
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Mycobacterium tuberculosis
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What causes maleria
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Plasmodium falciparum
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Name five ways that HIV/AIDS is transmitted
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Breast milk, through the placenta, contaminated needles, bodily fluids, unprotected sex, blood transfusions, unsterilized medical equipment.
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Give a description of Bacteria
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They are Prokaryotaes. Can reproduce rapidly within the body. Often cause immune responses. Not all pathogens. Can release toxic waste.
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Give a discription of how Viruses work
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Viruses invade cells and take them over, and take over genetic machinery. cause the cell to manufacture more copies of the virus.
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Give an example of illnesses viruses cause
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Common cold, influenza, HIV/AIDS, tobacco mosaic virus (TMV).
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Give two examples of Bacteria and the illnesses they cause
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Cholera- Vibrio cholerae and TB- Mycobacterium tuberculosis.
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What is a pathagon?
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An organism that causes disease.
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What is a paracite
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An organism that lives on or in another organism, the host, and takes nutrient from it, they may or may not cause disease
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What is the difference between a pathagon and a paricite?
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Pathogens cause disease, not all paracites cause disease. Paracites gains nutrition from host. Pathogens dont.
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Diffine the term immune responce
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(response) to an antigen ;
involves , lymphocytes / production of antibodies. |
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State two features of the malarial parasite that indicate that it is not a prokaryote.
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Nucleus / nuclei ; other named organelle /
membrane bound organelles ; linear chromosomes ; DNA, associated with / AW, histones / protein ; 80S / 22nm / large, ribosomes ; large cells / AW ; no cell wall ; |
