Brock Biology of Microorganisms (14th Edition)
14th Edition
ISBN: 9780321897398
Author: Michael T. Madigan, John M. Martinko, Kelly S. Bender, Daniel H. Buckley, David A. Stahl, Thomas Brock
Publisher: PEARSON
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Chapter 3.6, Problem 3MQ
Summary Introduction
Oxidation is a process through which removal electrons are removed from a substance, whereas, the reduction is the process in which electrons are added to a substance. In
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Chapter 3 Solutions
Brock Biology of Microorganisms (14th Edition)
Ch. 3.1 - Which four chemical elements make up the bulk of a...Ch. 3.1 - Which two classes of macromolecules contain most...Ch. 3.1 - Prob. 3MQCh. 3.2 - Why would a complex culture medium for Leuconostoc...Ch. 3.2 - In which medium shown in Table 5.1, defined or...Ch. 3.2 - What is meant by the word sterile? Why is aseptic...Ch. 3.3 - Prob. 1MQCh. 3.3 - Prob. 2MQCh. 3.4 - What is free energy?Ch. 3.4 - Prob. 2MQ
Ch. 3.4 - Using Table 3.2, calculate G0 for the reaction...Ch. 3.5 - Prob. 1MQCh. 3.5 - Prob. 2MQCh. 3.5 - Prob. 3MQCh. 3.6 - Prob. 1MQCh. 3.6 - Prob. 2MQCh. 3.6 - Prob. 3MQCh. 3.7 - How much free energy is released when ATP is...Ch. 3.7 - Prob. 2MQCh. 3.7 - Prob. 3MQCh. 3.8 - Which reactions in glycolysis are redox steps?Ch. 3.8 - Prob. 2MQCh. 3.8 - Prob. 3MQCh. 3.9 - Prob. 1MQCh. 3.9 - Prob. 2MQCh. 3.10 - Prob. 1MQCh. 3.10 - Which electron carriers described in this section...Ch. 3.11 - How do electron transport reactions generate the...Ch. 3.11 - Prob. 2MQCh. 3.11 - What structure in the cell links the proton motive...Ch. 3.12 - Prob. 1MQCh. 3.12 - What two major roles do the citric acid cycle and...Ch. 3.12 - Why is the glyoxylate cycle necessary for growth...Ch. 3.13 - Prob. 1MQCh. 3.13 - Prob. 2MQCh. 3.13 - Prob. 3MQCh. 3.14 - What form of activated glucose is used in the...Ch. 3.14 - Prob. 2MQCh. 3.14 - What functions does the pentose phosphate pathway...Ch. 3.15 - Prob. 1MQCh. 3.15 - List the steps required for the cell to...Ch. 3.15 - Which nitrogen bases are purines and which are...Ch. 3.16 - Prob. 1MQCh. 3.16 - Prob. 2MQCh. 3.17 - Prob. 1MQCh. 3.17 - Prob. 2MQCh. 3.17 - Prob. 3MQCh. 3 - Prob. 1RQCh. 3 - Prob. 2RQCh. 3 - What is aseptic technique and why is it necessary?...Ch. 3 - Prob. 4RQCh. 3 - REVIEW QUESTIONS
5. Describe how you would...Ch. 3 - Prob. 6RQCh. 3 - Why are enzymes needed by the cell? (Section 3.5)
Ch. 3 - Prob. 8RQCh. 3 - 9. What is the reduction potential of the...Ch. 3 - Prob. 10RQCh. 3 - How is ATP made in fermentation and in...Ch. 3 - Prob. 12RQCh. 3 - MINIQUIZ
13. Besides lactic acid and ethanol, list...Ch. 3 - List some of the key electron carriers found in...Ch. 3 - What is meant by proton motive force and how is it...Ch. 3 - Prob. 16RQCh. 3 - MINIQUIZ
17. How much more ATP is possible in...Ch. 3 - Prob. 18RQCh. 3 - MINIQUIZ
19. What is the major difference between...Ch. 3 - Prob. 20RQCh. 3 - Describe the process by which a fatty acid such as...Ch. 3 - Prob. 22RQCh. 3 - Prob. 1AQCh. 3 - Application Questions
2. Desulfovibrio can grow...Ch. 3 - Using the data of Figure 3.10, predict the...Ch. 3 - Prob. 4AQ
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- Using the data in this table, what is the AG° (in KJ/mol) for the reduction of FAD by water?arrow_forwardIn several species of bacteria, GAPDH activity is controlled by the NADH/NAD+ ratio. Does the activity of GAPDH increase or decrease when the NADH/NAD+ ratio increases? Explain. Assume that only the forward direction of the reaction is relevant. a) The activity of GAPDH increases when the NADH/NAD+ ratio increases. b) The activity of GAPDH decreases when the NADH/NAD+ ratio increases.arrow_forwardWhy do the electrons carried by FADH2 result in less ATP production than those carried by NADH?arrow_forward
- 20.12 Classify the enzyme that catalyzes each of the following reactions: |3| a. CH3-C-COO + CO2 + ATP OOC-CH2-C-COO + ADP + P; + H b. CH3-CH2-OH + NAD* CH3-C-H + NADH + H*arrow_forwardfor the coenzyme structures below label the following: a.) label the coenzymes b.) identify the reactive components of both coenzymes c.) identify the component that differs between NAD+ and NADP+ d.) how come these coenzymes are known as dinucleotides?arrow_forwardWhen electrons flow from the NAD+ /NADH conjugate redox pair to the 1/2 O2/H2O redox pair, does the reaction begin with NAD1 or with NADH? What is produced—O2 or H2O?arrow_forward
- 4) Compare and contrast proton extrusion by the Na+/H+ exchanger NHE and an ATP-driven proton pump. a) What is a possible advantage of using NHE over an ATP-driven proton pump if the exchanger does not operate close to equilibrium? b) If the NHE exchanger were to operate close to equilibrium, would the ATP-driven proton pump be more or less efficient at extruding protons than NHE? Why?arrow_forwardWhich of the following statements are False?arrow_forwardWe know that atmospheric oxygen (O2) can be a final electron acceptor at the end of the electron transport chain in aerobic respiration. Name 2 other inorganic molecules that can be final electron acceptors at the end of the electron transport chain in anaerobic respiration. Name 1 organic molecule that can be a final electron acceptor in fermentation.arrow_forward
- The values of the reduction potential (Eº') of the conjugated redox pairs NAD+/NADH and pyruvate / lactate are -0'32 V and -0'19 V respectively. a) Which of the two conjugated pairs has a greater tendency to lose electrons? Reason for it. b) What is the strongest oxidizing agent? Reason for it. c) If we start with 1M concentrations of each reagent and product at pH 7.0 in which sense the reaction will pass pyruvate + NADH + H+ ⇄ lactate + NAD+ d) What is the standard free energy variation (ΔGº’ at 25ºC) for the conversion of pyruvate to lactate? e) What is the equilibrium constant of this reaction?arrow_forwardthis question is about 16 carbon fatty acid A) what are the end procuts of the eight cycles of beta oxidation of a 16 carbon fatty acid? B) assuming 2.5 ATP molecules are produced from one NADH, how many molecules of ATP are produced from the NADH produced during beta oxidation of a 16-carbon fatty acidarrow_forwardWhere do the high-energy electrons come from in cellular respiration (what is the source)? Where do the high-energy electrons go in cellular respiration (what is the terminal electron acceptor)?arrow_forward
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