Micro Ch.1-6

25 Questions | Total Attempts: 93

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Questions and Answers
  • 1. 
    Rule for writing the scientific name of an organism.
    • A. 

      Each living organism has a name chosen by the public.

    • B. 

      Each living organism's name is drawn out of a hat by a group of researchers.

    • C. 

      Each living organism is assigned two names, consisting of a genus and a specific epithet.

    • D. 

      Each living organism has it's name derived from colors.

    • E. 

      Each living organism is given its name consistent of its shape and color.

  • 2. 
    Pick out examples of scientific names.
    • A. 

      Homo sapien

    • B. 

      Dominican reproducta

    • C. 

      Escherichia coli

    • D. 

      Carolus linneaus

    • E. 

      Bacillus anthracis

  • 3. 
    What is the major difference in the chemical composition of the cell wall of bacteria and archaea?
    • A. 

      Archaea do not have flagella.

    • B. 

      Archaea cell walls have multi-layer cell walls

    • C. 

      Archaea are not prokaryotic thus the different cell wall.

    • D. 

      Bacteria have chitin.

    • E. 

      Bacteria have a peptidoglycan cell wall, archae do not.

  • 4. 
    • A. 

      Presence of a cell wall

    • B. 

      Presence of DNA

    • C. 

      Presence of cytoplasm

    • D. 

      Presence of nucleus

  • 5. 
    Identify two scientists who played a major role in disproving the theory of spontaneous generation.
    • A. 

      Koch and Erlich

    • B. 

      Fleming and Krebs

    • C. 

      Koch and Ross

    • D. 

      Redi and Pasteur

    • E. 

      Hooke and Linnaeus

  • 6. 
    What is the approximate atomic weight of carbon?
    • A. 

      6

    • B. 

      12.01

    • C. 

      Not shown

  • 7. 
    What is the atomic number of carbon?
    • A. 

      6

    • B. 

      12.01

    • C. 

      Not shown

  • 8. 
    What does the atomic weight equal?
    • A. 

      The atomic weight equals the number of protons and neutrons

    • B. 

      The atomic weight equals the number of electrons and neutrons

    • C. 

      The atomic weight is a number assigned according to discovery

    • D. 

      The atomic weight equals the amount of bonds it may have

    • E. 

      The atomic weight equals the number of shell walls

  • 9. 
    In what part of the cell would steroids most likely be found?
    • A. 

      They attach the flagella/pill to the cell wall

    • B. 

      On the outer-most part of the cell wall

    • C. 

      As a part of the plasma membrane

    • D. 

      In the hip of the guy in "My New Haircut."

  • 10. 
      This is an example of a :
    • A. 

      Peptide bond

    • B. 

      Amino group

    • C. 

      Carboxyl group

  • 11. 
    Is the labeling of this peptide bond correct?
    • A. 

      Yes

    • B. 

      No

  • 12. 
    What feature of the electron microscope accounts for its superior resolution?
    • A. 

      The extra bright white light enhances viewing

    • B. 

      The electrons shorter wavelength provides a better resolution

    • C. 

      The electrons longer wavelength enhances viewing

    • D. 

      The electromagnetic lens directly allows you to see the sample

  • 13. 
    Which microscope would one might use to see the surface features of an organism?
    • A. 

      Magnifying glass

    • B. 

      Darkfield microscope

    • C. 

      Compound light microscope

    • D. 

      Electron scanning

  • 14. 
    Please list the following from largest to smallest:nanometer, kilometer, micrometer, meter, decimeter, centimeter, millimeter
    • A. 

      Nanometer, kilometer, micrometer, meter, decimeter, centimeter, millimeter

    • B. 

      Kilometer, meter, micrometer, decimeter, centimeter, nanometer, millimeter

    • C. 

      Kilometer, meter, decimeter, centimeter, millimeter, micrometer, nanometer

    • D. 

      Meter, kilometer, decimeter, micrometer, centimeter, millimeter, nanometer

  • 15. 
    This is an example of:
    • A. 

      Feedback inhibition

    • B. 

      Electron transport chain

    • C. 

      Krebs cycle

    • D. 

      Calvin-Benson cycle

  • 16. 
    Is an example of:
    • A. 

      Feedback inhibition

    • B. 

      Glycolysis

    • C. 

      Krebs cycle

    • D. 

      Calvin-Benson cycle

  • 17. 
    This example of a bacterial growth curve should be labeled as:
    • A. 

      A: log B: stationary C: lag D: Death or logarithmic decline

    • B. 

      A: lag B: log C: Stationary D: Death or logarithmic decline

    • C. 

      A: stationary B: log C: lag D: Death or logarithmic decline

  • 18. 
    Psychrophiles, mesophiles, and thermophiles are microbes that prefer
    • A. 

      Psychrophiles prefer cold, mesophiles prefer moderate temps, and thermophiles like to grow in heat

    • B. 

      Psychrophiles like heat, mesophiles like cold, and thermophiles are moderate temps

    • C. 

      Psychrophiles enjoy moderate temps, mesophiles like heat, and thermophiles like the cold temps

  • 19. 
    The genus Clostridium contains species that cause tetanus and botulism, these bacteria are examples of:
    • A. 

      Obligate aerobes

    • B. 

      Facultative anaerobes

    • C. 

      Obligate anaerobes

    • D. 

      Aerotolerant anarobes

  • 20. 
    Selective media works well for
    • A. 

      Growth of most chemoheterotrophic organisms

    • B. 

      Growth of obligate anaerobes

    • C. 

      Differentiation of colonies of desired microbes from others

    • D. 

      Suppression of unwanted microbes; encouraging desired microbes

  • 21. 
    From top to bottom, the top is an example of ________________the bottom is an example of __________________
    • A. 

      S on top is an uninhibited enzyme, on the bottom it is blocked by a competitive inhibitor

    • B. 

      S on top is an inhibited enzyme, on the bottom l is an inhibitor enzyme

    • C. 

      S on top is an uninhibited enzyme, on the bottom it is blocked by a competitive inhibitor

    • D. 

      S on top is a normal substrate, on the bottom the enzyme is matched with a competitive inhibitor

  • 22. 
    Is a
    • A. 

      Eukaryotic cell

    • B. 

      Prokaryotic cell

  • 23. 
    Is a 
    • A. 

      Eukaryotic cell

    • B. 

      Prokaryotic cell

  • 24. 
    Is this diagram labeled correctly?
    • A. 

      Yes

    • B. 

      No

  • 25. 
    "Come In And Stain. The C is for crystal violet, I is for iodine, A is for alcohol, and S is for safranin."Which is the above staining method?
    • A. 

      Simple stain

    • B. 

      Gram stain

    • C. 

      Acid-fast stain

    • D. 

      Negative staining