practice test two

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andreathors16
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138731
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practice test two
Updated:
2012-03-01 19:03:36
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microbiology test two
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  1. what compound would have the greatest amount of chemical potential energy for a cell?
    glucose
  2. energy captured during chemiosmosis occurs as what is moving through the membrane?
    protons
  3. a fungus growing on rotting food is
    chemoheterotroph
  4. in anaerobic respiration,what is a reduction product when NADH is oxidezed to NAD
    ethanol
  5. oxygen is used in which phase of respiration?
    oxidative phosphorylation
  6. what oxidation product is prodiced during respiration
    co2 and organic acids
  7. carbon dioxide is produced in what phase of respiration
    krebs cycle
  8. primary function of respiration is to
    make intermediates for use in structural components
  9. 2 h202 > 2 h2o + 02 is catalyzed by what enzyme?
    peroxidase
  10. how any moleculesof ATP can be generated from complete oxidation of glucose to CO2 and h20?
    38
  11. what reaction would generate ATP
    phosphoenolpyruvic acid to pyruvic acid
  12. what is oxidized?
    oxaloacetate
  13. chemical binds to allosteric site of an enzyme what would result?
    reduce the rate of enzyme activity
  14. what temp would kill a mesophile?
    80 deg c
  15. for each reduced NAD produced, how many ATPs are obtained
    three
  16. an enzyme does what
    lowers activation energy
  17. what is generated during glycolisis
    • ATP
    • ADP
    • NADH2
    • Pyruvate
    • Not - NAD
  18. end product of fermentation
    • Ethyl alcohol and carbon dioxide
    • Propionic acid or propionate
    • Lactic acid or lactate

    not - Succinic acid or succinate
  19. produced during krebs cycle
    • carbon dioxide
    • ATP (as GTP)
    • NADH2
    • citric acid
    • not - pyruvate
  20. enzyme cofactor
    • biotin
    • Fe3+
    • Coenzyme Q
    • Zn2+

    not - pyruvate

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