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Bacterial Cells

Bacterial Cells. How is bacteria a part of recycling and biodegrading? It breaks down organic material for plant roots to use Draw the basic appearance of all bacteria: What type of bacterium is Ishy ? Where does he live? E.coli ; in animal intestines.

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Bacterial Cells

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  1. Bacterial Cells • How is bacteria a part of recycling and biodegrading? It breaks down organic material for plant roots to use • Draw the basic appearance of all bacteria: • What type of bacterium is Ishy? Where does he live? E.coli; in animal intestines

  2. 4. What role does Ishy play in our digestive system? He helps break down food that our bodies 5. What kind of bacterium is Bee Gee? Where does he live? Blue-green algae; on top of standing water

  3. Bacteria and Viruses 1. How many cells do bacteria have? One • Name two places Archaebacteria can be found. Salt lakes; hydrothermal vents

  4. 4. What method is used to identify bacteria? Gram staining 5. Why do some stain positive and not negative? Positive = a lot of peptidoglycan in the cell wall; negative = a little peptidoglycan in the cell wall 6. What are two ways bacteria can get food? Consuming other organisms (heterotrophs); making their own food (autotrophs) 7. What is the process called when bacteria divide into two cells? Binary fission

  5. Bacteria Divide and Multiply • How long would it take for 2 bacteria cells to divide and turn into 4 bacteria cells? 20 minutes 2. How come our planet is not covered with bacteria? The conditions are rarely optimal

  6. Bacterial Motility • What are three ways bacteria can move? Flagella, axial filament, & slime • Describe how Spirochaetes bacteria move. Rotating in a spiral fashion • Describe how Chromatium bacteria move. Using flagella • Describe how gliding bacteria move. By secreting slime and sliding across it

  7. Mr. Carl’s E-Class • What kind of substances do bacteria consume to get energy? Organisms, milk, meat, decaying materials, and sunlight • 3. What is the process of making energy from food using oxygen? Respiration

  8. Kingdom Archaebacteria and Eubacteria • What does “archaebacteria” mean? Ancient bacteria • Where do you find archaebacteria? Give 3 specific locations. A. undersea volcanic vents B. acidic hot springs C. salty water • What kind of cells do archaebacteria have?

  9. 4. Describe the three main groups of Archaebacteria.

  10. 1. What kingdom is most bacteria a part of? Eubacteria

  11. 3. What are chemoautotrophs? Gram negative bacteria that obtain energy from minerals   4. What are nitrogen-fixing bacteria? Bacteria that change nitrogen into usable ammonia 5. What does an aerobic bacterium need? Oxygen 6. What does an anaerobic bacteria need? No oxygen 7. Do anaerobic bacteria use fermentation or respiration? 8. Do aerobic bacteria use fermentation or respiration? 9. What are the four sources of nutrition for bacteria? • dead organic matter (saprobes) • a host cell (parasites) • sunlight  (photoautotrophs) • inorganic substances (chemoautotrophs)

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