Microbiology Quizes

  1. Reproduction in bacterial cells occurs by the seequence of events known as _____
    Binary fission
  2. Psychrophilic bacteria species grow well at 10 degrees C, while mesophilic bacteria species grow well at _______
    37 degrees C
  3. During the stationary phase of bacterial growth, the population of living cells is ______ the population of dying cells.
    Equal to
  4. Organisms that practice heterotrophy are able to synthesize ther own food from _______
    Simple carbon sources
  5. When nutrients are limiting some bacterial species can form resistant structures called ________
    Endospores
  6. Facultative anaerobes can live with or without _____ gas
    Oxygen
  7. Barophiles are prokaryotes that with stand high ______
    Hydrostatic pressures
  8. In terms of temperature tolerance, human pathogens tend to be ______
    Thermophiles
  9. Prokaryotes that can with stand very high salft concentration are called _______
    Halophiles
  10. The inward pinching to the cell envelope in reproduction is called _____
    Cytokinesis
  11. The interval of time between successive reproductions is called _______
    Generation time
  12. What is the period where there is the least amount of growth in the growth curve?
    Lag phase
  13. Which of the following diseases result from germination of endospores?
    Anthrax
  14. Which of the following conditions are important for the growth of microbes?
    Temperature, gas, pH, and oxygen
  15. An example of an anaerobe that causes disease in human are?
    Clostridium
  16. Which kind of organisms will grow best in a candle jar?
    Microaerophiles
  17. Which kind of organisms will grow everywhere in a thioglycollate broth?
    facultative anaerobes
  18. What is a medium that contains ingredients that inhibit the growth of some organisms while allowing the growth of others?
    Selective
  19. One way to get a pure culture is by using ______
    • Both A & C
    • -aseptic technique
    • -streak-plate method
  20. One indirect way to determine microbial growth is using a ________
    Spectrophotometer
Author
Anonymous
ID
40985
Card Set
Microbiology Quizes
Description
Section 2
Updated