bio4.16 - Reading chapters 33 &34 The Immune System...

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Reading chapters 33 &34 The Immune System Lines of Defense •Nonspecific defenses •Specific defenses -Cell Mediator Response Pathogens •Disease-causing agents •Infection: the invasion of a cell or multicelled body by a pathogen Infectious Disease •A disease resulting from the presence of activity of a pathogenic biological agent •Contagious (communicable) infectiious disease is capable of being transmitted Infectious Disease • A disease resulting from the presence or activity of a pathogenic biological agent •Viruses-cannot carry out own chem reactions •Bacteria •Protists •Fungi Viruses •Genetic material and protein coat •Infect cells and hijack their metabolic machinery •Colds •Flus •Measles •Mumps •Rabies •Herpes •Ebola •Smallpox •Epsein-Barr •HIV
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Bacteria •Prokaryotic •Produce toxins that cause diseases Protists •Most single-celled eukaryotes •Giardia •Trichomoniasis •Sleeping sickness •Malaria Fungi •Athlete's foot •Ringworm
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This note was uploaded on 04/20/2008 for the course BIO 301L taught by Professor Wandelt during the Fall '07 term at University of Texas at Austin.

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bio4.16 - Reading chapters 33 &34 The Immune System...

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