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Published byGeorge Parrish Modified over 9 years ago
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9.1 Viruses A. Characteristics 1. Nonliving a. Not made of ___________ b. No ____________(no mitochondria), no _____________(no chloroplast) 2. Living a. Ability to ______________,although they can’t unless they invade/take over a ________ +Almost all viruses will __________host cell B. Structure Bottom line is that viruses are not made of cells, all organisms share the characteristic of being made of cells, all organisms are living things, therefore viruses are non living. 1. Protein coat a. Proteins on surface of __________ match with proteins on cell membrane of the _______ cell 2.Genetic material core a. Contains the instructions for making new ___________ 2 basic parts There are about 5,000known viruses Proteins on surface of virus cells respirationphotosynthesis multiply Host cell destroy virus host viruses
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Go to this website for video of how a virus might be programmed to attack cancer cells http://www.genelux.com/video/ http://www.youtube.com/watch?v=Rpj0emEGShQ http://www.youtube.com/watch_popup?v=Rpj0emEGShQ#t=102
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Virus emerging from host cells.
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9.1 (cont) C. Reproduction D. Disease 1. Spread of viral diseases a. Contact with contaminated ____________ b. __________ of an infected _______________ c. Through the _________ d. Contact with _________ __________ 2. Treating viral diseases a. _____ cures b. Over the counter meds treat _____________ c. ________________. ________________, ______________ d. Anti viral drugs ie __________________ 3. Prevention a..Vaccines +made from dead or weakened ______________ +put into ____________ +Causes body to produce _______________ +If disease causing virus ever invades body, antibodies will attach to them and mark them so that the ____________ can recognize and destroy them. object Biteanimal air body fluids No symptoms Rest fluids eat well interferon Viruses/bacteria body antibodies WBC’s
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