RelativeResourceManager

RelativeResourceManager - Master Copy Test: Spr10Ex1A...

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Test: Spr10Ex1A Creation Date: 12/18/2009 Group Type: Randomize groups Penalty for guessing: 0 PUT name, UFID and test code on the scantron. Print and bubble in these items, using a #2 pencil. The test code is found at the bottom of the exam and is placed in 76-80 of the Scantron. Sign your scantron on the back. This exam has 35 questions. Choose one answer for each. There is no penalty for guessing. Scantrons and student IDs will be checked by TAs. The scantron must be handed into Dr. Ogden on your way out of the exam. Please do not return to your seat after turning in the scantron. 1. Which of the following microscopic methods can be used to observe the movement and interactions of microbes in a drop of pond water? (*) Dark field microscopy. (2) Confocal microscopy. (3) Scanning electron microscopy. (4) More than one of these answers (1-3) is correct . 2. Approximately how big must a stained microbe be in order to be visible with the compound light microscope? (*) 200 nm. (*) 0.2 μ m. (*) 200 mM . (*) More than one of these answers (1-3) is correct. 3. Which of the following is/are typically found in the envelopes of Gram-positive bacteria? (1) F 1 F 0 ATP synthase. (2) Porins. (3) Interbridges with gly residues. (*) More than one of these answers (1-3) is correct. 4. Hopanoids are found in which of the following envelope components? (*) Cytoplasmic membrane. (2) S-layer. (3) Cell wall. (4) None of these answers (1-3) is correct. 5. Which of the following is/are constituents of murein? (*) NAG (N-acetyl glucosamine) covalently linked to NAM (N-acetyl muramic acid). (2) Crystalline arrays of glycoproteins. (3) Fatty acids ether-linked to glycerol. (4) More than one of these answers (1-3) is correct. 6. Some strains of S. pneumoniae can produce capsules and some cannot. What is/are the probable consequences of the loss of the ability to produce a capsule for this microbe? (1) The strain without capsules will be more virulent (will produce disease more readily) . (2) The strain without a capsule will switch from Gram-negative to Gram-positive. (*) The strain without a capsule may be more susceptible to dessication. (4) More than one of these answers (1-3) is correct. 7. Which of the following is/are found in the envelopes from species of Archaea? (*) Cell membranes containing lipids derived from isoprene.
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RelativeResourceManager - Master Copy Test: Spr10Ex1A...

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