Informal quiz - Chapter 1

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  1. An organism where each cell is a self-sustaining, wholly complete life-form is called __________ ?
  2. A pathogenic bacterium is one which has the ability to do what?
    Cause disease
  3. T/F:
    Bacteria that are considered to be normal flora of the human body are not pathogenic.
    False, most normal flora are opporunistic pathogens
  4. T/F:
    Viruses are sometimes not considered lifeforms because they do not exhibit any of the commonly cited characteristics of life.
  5. What is an organelle?
    A membrane-bound structure that performs a specifc function within a cell
  6. In which domain(s) will you find no organelles?
    Eubacteria (Bacteria) and Archea (Arheabacteria)
  7. Curiosity, the Mars rover, discovers a new life form hidden in the soil on Mars.  Analysis of the lifeform determines that it is unicellular, contains organelles, and must absorb its nutrients from decaying organic matter.  To what domain and kindom would this lifeform be classified and what type of organism is it?
    • Domain: Eukarya
    • Kindon: Fungi

    It is a yeast
  8. T/F:
    Most of the normal flora in your body belong to Domain Archeabacteria.
    False, they belong to Eubacteria.
  9. T/F:
    Clostridium tetani, the bacterium causing tetanus, lives in the soil and is not normally found on the human body.  If you cut yourself with something that Clostridium tetani is growing on and give the bug an opportunity to get into your bloodstream, it will produce a toxin that causes tetanus.  For this reason, Clostridium tetani is referred to as an 'opportunistic pathogen.'
    False, C. tetani is simply a pathogen.
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Informal quiz - Chapter 1
2012-08-22 14:28:18
Crafton Hills College Micro 102 SI

Questions for the Chapeter 1 informal quiz in SI
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