Brock Biology of Microorganisms (15th Edition)
15th Edition
ISBN: 9780134261928
Author: Michael T. Madigan, Kelly S. Bender, Daniel H. Buckley, W. Matthew Sattley, David A. Stahl
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 (15th 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 - Differentiate between trace metals and growth...Ch. 3.1 - Prob. 1CRCh. 3.2 - Compare and contrast simple transporters, the...Ch. 3.2 - Prob. 2MQCh. 3.2 - Cells of Escherichia coli transport lactose via...Ch. 3.3 - Prob. 1MQCh. 3.3 - Prob. 2MQCh. 3.3 - Prob. 1CR
Ch. 3.4 - What is free energy?Ch. 3.4 - Prob. 2MQCh. 3.4 - Using Table 3.2, calculate G0 for the reaction...Ch. 3.4 - Prob. 1CRCh. 3.5 - Prob. 1MQCh. 3.5 - Prob. 2MQCh. 3.5 - Prob. 3MQCh. 3.5 - Prob. 1CRCh. 3.6 - Prob. 1MQCh. 3.6 - Prob. 2MQCh. 3.6 - Prob. 3MQCh. 3.6 - Prob. 1CRCh. 3.7 - How much free energy is released when ATP is...Ch. 3.7 - Prob. 2MQCh. 3.7 - Prob. 3MQCh. 3.7 - Prob. 1CRCh. 3.8 - Which reactions in glycolysis are redox steps?Ch. 3.8 - Prob. 2MQCh. 3.8 - Prob. 3MQCh. 3.8 - How is ATP made in fermentation and in...Ch. 3.9 - How many molecules of CO2, NADH, and FADH2 are...Ch. 3.9 - What two major roles do the citric acid cycle and...Ch. 3.9 - Why is the glyoxylate cycle necessary for growth...Ch. 3.9 - Prob. 1CRCh. 3.10 - Prob. 1MQCh. 3.10 - Which electron carriers described in this section...Ch. 3.10 - List some of the key electron carriers found in...Ch. 3.11 - How do electron transport reactions generate the...Ch. 3.11 - How much energy is released per NADH oxidized...Ch. 3.11 - What structure in the cell links the proton motive...Ch. 3.11 - Prob. 1CRCh. 3.12 - Prob. 1MQCh. 3.12 - Prob. 2MQCh. 3.12 - Prob. 3MQCh. 3.12 - What is the major difference between aerobic...Ch. 3.13 - What form of activated glucose is used in the...Ch. 3.13 - Prob. 2MQCh. 3.13 - What functions does the pentose phosphate pathway...Ch. 3.13 - What is the importance of the enzyme...Ch. 3.14 - Prob. 1MQCh. 3.14 - List the steps required for the cell to...Ch. 3.14 - Which nitrogen bases are purines and which are...Ch. 3.14 - Prob. 1CRCh. 3.15 - Prob. 1MQCh. 3.15 - Prob. 2MQCh. 3.15 - Describe the process by which a fatty acid such as...Ch. 3 - Using the data of Figure 3.10, predict the...Ch. 3 - Prob. 2AQ
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- What is the definition of a final electron acceptor and where can it be found?arrow_forwardwhat is NAD6?arrow_forwardWhat are three ways to elute a bound molecule from an affinity column? What are the advantages and disadvantages of each? NADH works well for affinity elution of bound LDH. What are two disadvantages of using it for this purpose?arrow_forward
- What is the terminal electron acceptor in photo- phosphorylation? 1 02 2 H2O 3 CO2 4 NADP+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
- When 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_forward20.12 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_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
- 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_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_forwardCalculate the amount of energy a cell could get from methanogenesis (using H2 as an electron donor and CO2 as an acceptor to make CH4) compared to NADH oxidation using oxygen as an electron acceptor. (Remember, the energy values shown in the table will have the opposite +/- sign for the reverse reaction) a) Which one gives more energy? b) How much more?arrow_forward
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