Prescott's Microbiology
10th Edition
ISBN: 9781259281594
Author: Joanne Willey, Linda Sherwood Adjunt Professor Lecturer, Christopher J. Woolverton Professor
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 12.5, Problem 4RIA
How do organisms assimilate sulfur? How does assimilatory sulfate reduction differ from dissimilatory sulfate reduction?
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Chapter 12 Solutions
Prescott's Microbiology
Ch. 12.1 - Prob. 1RIACh. 12.1 - Retrieve, Infer, Apply What is self-assembly? What...Ch. 12.3 - Retrieve, Infer, Apply Briefly describe the three...Ch. 12.3 - Retrieve, Infer, Apply Which two enzymes are...Ch. 12.4 - MICRO INQUIRY How might acetyl-CoA be used by the...Ch. 12.4 - Prob. 2MICh. 12.4 - MICROINQUIRY What is the difference between Lipid...Ch. 12.4 - Retrieve, Infer, Apply What is gluconeogenesis?...Ch. 12.4 - Retrieve, Infer, Apply Describe the formation of...Ch. 12.4 - Retrieve, Infer, Apply Suppose a microorganism is...
Ch. 12.4 - Retrieve, Infer, Apply Diagram the steps involved...Ch. 12.4 - Retrieve, Infer, Apply What would happen to a cell...Ch. 12.5 - What purpose is served for the cell when these...Ch. 12.5 - Prob. 2MICh. 12.5 - Prob. 1RIACh. 12.5 - How is nitrate assimilated? How does assimilatory...Ch. 12.5 - Prob. 3RIACh. 12.5 - How do organisms assimilate sulfur? How does...Ch. 12.5 - Prob. 5RIACh. 12.5 - Prob. 6RIACh. 12.5 - Describe the glyoxylate cycle. How is it similar...Ch. 12.5 - Prob. 8RIACh. 12.5 - List the types of organisms that use each...Ch. 12.6 - How is phosphorus assimilated? What roles do...Ch. 12.6 - Explain the difference between a purine and a...Ch. 12.6 - Outline the way in which purines and pyrimidines...Ch. 12.7 - Prob. 1RIACh. 12.7 - How are unsaturated fatty acids made?Ch. 12.7 - Briefly describe the pathways for triacylglycerol...Ch. 12.7 - Activated carriers participate in carbohydrate,...Ch. 12.7 - Prob. 5RIACh. 12 - What would happen if a microorganism that depended...Ch. 12 - Intermediary carriers are in a limited supply:...Ch. 12 - Magnetotactic bacteria are morphologically and...
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- What is the differences between competitive, noncompetitive, mixed noncompetitive and uncompetitive inhibition in terms of their respective modes of inhibition??arrow_forwardWhat effect does a high substrate concentration have on the rate order of the Michaelis-Menten equation?arrow_forwardBased on the kinetic constants below, which enzyme will most efficiently catalyze conversion of the substrate into product? A) Vmax = 10 uM s-1, KM = 10 µM B) Vmax = 10 uM s-1, KM = 0.01 µM C) Vmax = 1000 uM s-1, KM = 500 µM D) Vmax = 1 uM s-1, KM = 1 µM E) Vmax = 200 uM s-1, KM = 10 µMarrow_forward
- What is the relationship between protein modification and allosteric control of phosphofructokinase?arrow_forwardName the components of the hexose-monophosphate pathway that detoxify peroxide and the process that accomplishes detoxification.arrow_forwardWhich of the following is true under the following conditions: an enzyme displaying Michaelis-Menten kinetics where the enzyme concentration is 10 nM, the substrate concentration is 45 mM, and the Km is 50 µM? a) The enzyme has low catalytic efficiency for the substrate. b)The rate of catalysis is near half-maximal velocity. c)The enzymatic reaction is near maximal velocity. d)Halving the substrate concentration has little effect on the catalytic rate. e) There is not enough information provided.arrow_forward
- 13.) An unchanged apparent Km results from the action of an uncompetitive inhibitor because A) the presence of the inhibitor can shift the binding equilibrium toward the ES complex. B) the presence of the inhibitor can shift the binding equilibrium toward the E + S state. C) the presence of excess substrate shifts the binding equilibrium toward the ES complex. D) uncompetitive inhibitors do not alter the binding equilibrium between substrate and enzyme. E) Uncompetitive inhibitors always result in a lower apparent Km, not an unchanged apparent Km.arrow_forwardThe following data, presented by G. Bowes and W. L. Ogre in J. Biol. Chem. (1972) 247:2171–2176, describe the relative rates of incorporation of CO2 by Rubisco under N2 and under pure O2. Decide whether O2 is a competitive or uncompetitive inhibitor.arrow_forwardCan you help mearrow_forward
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