CAUSE OF DISEASES NOTETAKERS Pathogens • The scientific name for “___________________” • An organism that causes _______________ • 4 main types of pathogens – Bacteria, viruses, fungi, parasites Bacteria • Prokaryotic (no __________________) • ________cellular • Found ____________________ (soil, water, air, human body, etc…) • Reproduce ____________________ • Most are not harmful, some can be ________________________ – Make yogurt, help you digest food • Classified based on their _______________ – ________________ (coccus) – ________________ (bacillus) – ________________ (spirillum) Virus • A very ________________ particle made up of ________________ material (DNA or RNA) and a protein coat (capsid) • NOT _________________! • Each virus can only infect a _______________ type of cell. • Why do viruses want to get inside a living cell? – To _________________________!!! Virus Reproduction 1. A virus attaches to a specific ___________ cell. 2. The virus’s ___________________ material enters the host cell. 3. The virus’s ___________________ material causes the cell the make viral _________________ material and __________________. 4. New ___________________ form inside the host cell. 5. New viruses are ___________________ as the host cell bursts open and is __________________. Parasites • Any organism that has a ______________________ relationship with a _________________ organism • Caused by many different types or organisms – Fungi – Protists – Mites, ticks or lice – Parasitic worms Diseases caused by Viruses • ________ (chicken pox, small pox, cow pox) • ________________ (flu) • Common _____________ • Polio • _________________ fever • West Nile • _________________ • Rabies Diseases caused by Bacteria • Bubonic (________________)Plague • Food Poisoning • ________________ Disease • Tetanus • Tuberculosis • _________________ Throat • _________________ Fever Diseases caused by Fungi • ___________________ Foot • Ringworm Diseases caused by Parasitic Worms • Hookworm • __________________ worm • Pinworm • ___________________worm Diseases caused by Protists (protozoans) • Giardia • ____________________ dysentery • _____________________