Bacteria 2.2

  1. A ____________________ is a long, whip-like structure that extends from the cell membrane and passes through the cell wall. This structure helps the cell move.
  2. An _____________________ is a small, rounded, thick-walled, resting cell that forms inside a bacteria cell.
  3. ____________________________ are chemical factories where proteins are produced.
  4. The gel-like region inside the cell membrane is called the _____________.
  5. Some bacteria reproduce by _________   _________, a process in which one cell divides to form two identical cells.
    binary fission
  6. A Dutch businessman named ____________ discovered bacteria by accident in the late 1600s.
    Anton van Leeuwenhoek
  7. Unlike bacterial diseases, viral diseases can only be treated with_______________.
    bed rest, fluids, well-balanced meals and over-the-counter medications
  8. What are three things that bacteria need to survive?
    • 1.source of food
    • 2.way to break down food
    • 3.survival techniques
  9. What are the two main ways that bacteria may be harmful to people?
    • 1.infectious disease
    • poisoning
  10. What are the many ways bacteria are helpful to people?
    • 1.Fuel production
    • 2.Food production
    • 3.Environmental recycling
    • 4.Environmental clean-up
    • 5.Medicine production
    • 6.O2 production by autotrophic bacteria
  11. What are some foods that are produced with bacteria?
    • yogurt
    • cheese
    • dried meat
    • chocolate beverages
    • soy sauce
    • sour dough bread
  12. What is the nick-name for bacteria?
    "natures recyclers"
  13. Antibiotics work by weakening the _____ ______ of bacteria causing them to burst and not harming the organism.
    cell walls
  14. Are colds, the flu and mono viral or bacterial diseases?
  15. What is the main idea behind food preservation?
    To remove air and moisture to keep food from spoiling and to extend the shelf-life of the food.
  16. Lyme disease, ear infections and strep throat are all ________ diseases.
    (viral or bacterial)
  17. What can you treat a bacterial infection with?
  18. List many methods that have been successfully used to prevent food from spoiling.
    • 1.drying 
    • 2.canning
    • 3.salting
    • 4.dehydrating
    • 5.smoking
    • 6.freezing
    • 7.cooling/refrigerating
    • 8.heating
    • 9.pickling
    • 10.jarring
    • 11.O2 packets
    • 12.packaging
  19. What are some ways that bacterial cells are different from all other organisms’ cells?
    • 1.prokaryotes (pro=no)/genetic material not contained in a nucleus
    • 3.lack of structures
    • 4.Unicellular/single-celled organisms
  20. Bacteria can be used by the Department of Environmental Protection to clean-up the most dramatic form of pollution, ___, in small quantities.
  21. Autotrophic bacteria help put ________ in the air to help organisms around the earth.
Card Set
Bacteria 2.2