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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Textbook Question
Chapter 3.11, Problem 3MQ
- What structure in the cell links the proton motive force to ATP synthesis? How does it function?
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Students have asked these similar questions
How does proton-motive force powers ATP synthesis.
What is ATP? Where is the energy held in this molecule? Describe the generalized reversible reaction for release of energy from ATP and explain the role of ATP in the cell. What organelle is responsible for aerobic production of ATP? What are the other two methods of ATP production in the cells? What is cellular respiration?
Which of the following among A- D is incorrect regarding the proton motive force and ATP synthase (ATPase)?
A) O The F1 subunit of the ATPase binds ADP and phosphate, forms ATP, and then releases ATP
B) O Increasıng the difference in pH across the membrane of a bacterial cell would likely increase its proton motive force.
O O The ATPase is a molecular motor that moves as protons flow through it.
D) O Increasing the negative charge inside a bacterial cell would likely increase the proton motive force.
E) O All of A- D is correct.
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 would be the effect on ATP production during chemiosmosis and oxidative phorphorylation, if the pH within the inner membrane space of the mitochondrion were decreased, assuming no effect of pH on the structure of proteins in the membrane? a) it would increase b) it would decrease c)it would stay the samearrow_forwardHow do the three active sites of ATP synthase respond to the flow of protons?arrow_forwardHow does the flow of protons drive the synthesis of ATP?arrow_forward
- Choose the correct answer: 1- How does ETC lead to ATP synthesis: A) Hydrogen ions diffuse from the intermembrane space to the matrix through ATP synthase.B) Hydrogens jump from the inner membrane to the outer membrane and out through ATP synthase.C) Hydrogens diffuse from the intermembrane space to the outer membrane through ATPase.D) Protons are pumped from the matrix to the intermembrane space through ATP synthase. 2- TCA cycle occurs in aerobic respiration because : A) Oxygen has a catalytic functionB) Oxygen is a reactantC) Electron transport chain requires aerobic conditions to operate. D) All of the above.arrow_forwardHow does atp synthase produce atp?arrow_forwardWhat does it mean to say that ATP is the “energy currency” of the cell? b) What type of energy does ATP represent? c) Where/what part of the molecule is energized? d) What is meant by the ATP cycle?arrow_forward
- If you added a protonophore (a substance that makes membranes leaky for protons) to mitochondria, what would happen to the amount of ATP produced? a) More ATP because a leaky inner membrane will allow more protons to diffuse across the membrane. b) More ATP because a leaky outer membrane will allow more protons to diffuse across the membrane. c) Less ATP since protons must accumulate in the inner membrane space in order to produce ATP. d) Less ATP since electrons must accumulate in the inner membrane space in order to produce ATP. e) No change in ATP production would occurarrow_forwardWhat is the role of mitochondria in ATP production?arrow_forwardProton motive force refers to A) the movement of protons across a membrane due to a proton gradient. B) the flow of electrons through an electron transport chain. C) the action of ATPase enzyme. D) oxidative phosphorylation. E) the oxidation of NADH2 and FADH2.arrow_forward
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