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Transcript
2/16/2015 2/16/15 Opener https://vimeo.com/15437347 Warm-Up Amoebic Dysentery is a disease that is caused by which type of Protist? Protozoan, Algae, or Fungus-like? Learning Objective Students will review the different features of microbes and their role in causing disease. 1. PROTIST- CAUSING DISEASES A) Malaria is caused by Plasmodium – Phylum Sporozoa • all parasitic – carried by a mosquito • symptoms –chills and fever –anemia Pathogens cause disease Bacterial disease- treatable with antibiotics; some preventable with vaccines • Streptococcus infections (Strep throat) • Diphtheria * can be prevented with vaccine Viral disease- some preventable with vaccines**; symptoms can only be treated with medicine • AIDS (Acquired Immune Deficiency Syndrome) • common cold • Smallpox ** • Influenza (Flu) • Warts (transforming virus; host cell tranforms into wart cell) B) African Sleeping Sickness • Caused by Protozoan, Trypanosoma brucei – Phylum Zoomastigina • carried by the tsetse fly • symptoms – brain inflammation – mental lethargy – sleepiness – possibly death Where do I belong? Write the structure under the right category. Sometimes, the structure belongs to more than one category. Write a summary using the words in your category. Bacteria Viruses Amoeba Paramecium Euglena Fungus-Like Protists PLASMID CAPSID NUCLEIC ACID CORE NUCLEUS NUCLEUS NUCLEUS NUCLEUS CYTOPLASM CYTOPLASM CYTOPLASM CYTOPLASM CYTOPLASM RIBOSOMES RIBOSOMES RIBOSOMES RIBOSOMES RIBOSOMES NUCLEOID REGION CELL MEMBRANE CELL MEMBRANE CELL MEMBRANE CELL MEMBRANE PSEUDOPOD VACUOLE CELL MEMBRANE VACUOLE ENDOSPORE VACUOLE FLAGELLA FLAGELLA ECTOPLASM ENDOPLASM CELL WALL CYST CAPSULE ECTOPLASM ENDOPLASM CILIA VACUOLE CHLOROPLAST EYESPOT ORAL GROOVE MACRONUCLEUS MICRONUCLEUS Some Protists have cell walls. 1 2/16/2015 KEY Amoeba Pseudopodia Endoplasm Ectoplasm Food vacuole Euglena Flagella Chloroplasts Pellicle Eyespot No shape Unicellular Oval With tail Unicellular Flagella rotates to create movement Key Cellular Structures Shape Locomotion Special Features (Type of Protist, Eating Behavior) Pseudopodia Movement of endoplasm towards cell membrane Protozoan (Animal-like) Eats by phagocytosis using pseudopods to engulf food Cyst Plant-like Protists Photosynthesis or Absorbing food from environment Paramecium Cilia Pellicle Macronucleus Micronucleus Trichocysts Oral groove, Mouth pore, gullet Anal pore Ectoplasm endoplasm Oval with cilia all around it Cilia Protozoan (Animal-like) Cilia sweeps food into its oral groove (mouth pore, gullet, food vacuole) Check Homework 2