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| 1. Most bacteria reproduce by |
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| 2. Medium on which Gram positive organisms turn green and Gram negative organisms turn blue would be |
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| 3. When a molecule gets reduced, it |
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| 4. Which one of the following molecules could pass easily through a cell membrane without the use of transport protein? |
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| 5. A fastidious bacterium |
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Definition
| Refuses to accept DNA from another |
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| 6. The primary purpose of the Gas-Pak gar is to grow bacteria |
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| 7. Most oxidation reactions in bacteria involve |
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Definition
| Removal of H ions and electrons |
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Term
| 8. A molecule used to donate hydrogen atoms/electrons in biosynthetic reactions is |
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| 9. O-antigens of LPS consist of a group of different sugars that is repeated over and over. This group of sugars is synthesized |
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| 10. A growth medium containing water, magnesium, sulfate, calcium chloride, potassium chloride, glucose, and beef extract is |
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Definition
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| 11. Central metabolism describes |
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Definition
| B and C; metabolic pathways that all nutrients eventually enter and passage of electrons along electron transport chain |
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Term
| 12. Which of the following would NOT be a suitable terminal electron acceptor in metabolism |
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| 13. In fermentation, the electrons removed from carbon atoms of glucose are accepted by |
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| 14. In group translocation |
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| 15. The easiest way to determine the Km is to |
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Definition
| Make a graph of 1/V and 1/S and determine the x-intercept |
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Term
| 16. Ribose needed to make ATP, RNA, and DNA is formed in |
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Definition
| Pentose phosphate pathway |
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Term
| 17. FADH2 results in production of fewer ATPs than NADH because |
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Definition
| It has lower tendency to give up electrons to oxygen |
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Term
| 18. Which method of counting requires the bacteria be alive |
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| 19. Change in electrical resistance is counted as bacterium |
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| 21. Organisms that may be found living in icy waters are |
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| 22. Bacteria do not grow in grape jelly because |
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Definition
| Hypertonic solution, sucks the water out of them |
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Term
| 23. Reason chemiosmosis must occur at cell membrane |
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Definition
| Lipids act as insulator between positive and negative charges |
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Term
| 24. When the bacterial population is doubling at regular intervals and is not limited for any nutrients |
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| 25. Bacterium that oxidize hydrogen sulfide for energy and obtain carbon from carbon dioxide is |
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| 26. During which phase of growth can the amount of peptidoglycan be used reliably to estimate the change in numbers of bacteria over time |
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| 28. Medium that restricts growth of all but certain bacteria |
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| Grows in oxygen but only ferments |
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Definition
| Can grow either with oxygen or by fermentation |
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| 31. Process by which proteins are made on ribosomes |
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| 32. Krebs cycle is called a cycle because it regenerates a molecule of |
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| 33. In glycolysis, each molecule of glucose eventually produced____ molecules of pyruvic acid |
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Definition
| Acetyl coA, ATPase, ribosome, Pseudomonas, Liver cell |
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Term
| 35. C-H bonds provide a lot of energy while C-O provide little energy |
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| 36. Generation time on a graph—look at X axis and see how long it takes it to double |
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