1 SEM ACC W/RAVEN CARDED
12th Edition
ISBN: 9781265486297
Author: Raven
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 7.5, Problem 2LO
Summary Introduction
To determine: The link between the proton gradient and electron transport with ATP synthesis.
Introduction: The aerobic respiration comprises of the electron transport chain in which the oxygen molecule acts as the final acceptor of electrons. It is a system that comprises of five complexes through which the electrons are transported by
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As electrons move from Complex I & II to Complex IV, H+ ions accumulate in the intermembrane space. Describe how these ions are then used to generate ATP using the following terms: ATP synthase, ADP, ATP, electrochemical gradient, chemiosmosis, intermembrane space, matrix.
Indicate whether the statement is true for aerobic respiration, photosynthesis or both:
The transfer of electrons via redox reactions is coupled to the movement of protons from one side of the membrane to the other
a)Aerobic Respiration
b)Photosynthesis
c)Both
A proton gradient is produced by the electron transport chain. Which compartment in the mitochondria contains the high concentration of protons?
Chapter 7 Solutions
1 SEM ACC W/RAVEN CARDED
Ch. 7.1 - Prob. 1LOCh. 7.1 - Explain the role of electron carriers in energy...Ch. 7.1 - Prob. 3LOCh. 7.2 - Prob. 1LOCh. 7.2 - Calculate the energy yield from glycolysis.Ch. 7.2 - Distinguish between aerobic respiration and...Ch. 7.3 - Prob. 1LOCh. 7.4 - Relate the nine reactions of the citric acid cycle...Ch. 7.4 - Diagram the oxidation reactions in the citric acid...Ch. 7.5 - Prob. 1LO
Ch. 7.5 - Prob. 2LOCh. 7.6 - Calculate the number of ATP molecules produced by...Ch. 7.7 - Prob. 1LOCh. 7.8 - Prob. 1LOCh. 7.8 - Distinguish between fermentation and anaerobic...Ch. 7.9 - Identify the entry points for proteins and fats in...Ch. 7.9 - Prob. 2LOCh. 7.10 - Prob. 1LOCh. 7 - Prob. 1DACh. 7 - Prob. 1UCh. 7 - Prob. 2UCh. 7 - Which of the following is NOT a product of...Ch. 7 - Glycolysis produces ATP by a. phosphorylating...Ch. 7 - What is the role of NAD+ in the process of...Ch. 7 - Prob. 6UCh. 7 - The electrons carried by NADH and FADH2 can be a....Ch. 7 - Prob. 1ACh. 7 - Prob. 2ACh. 7 - Prob. 3ACh. 7 - What is the importance of fermentation to cellular...Ch. 7 - Prob. 5ACh. 7 - A chemical agent that makes holes in the inner...Ch. 7 - Prob. 7ACh. 7 - Use the following table to outline the...Ch. 7 - Human babies and hibernating or cold-adapted...Ch. 7 - Recent data indicate a link between colder...
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- Explain how ATP synthase utilizes the H+ electrochemical gradientto synthesize ATP.arrow_forwardIndicate whether the statement is true for aerobic respiration, photosynthesis or both: ATP Synthase converts potential energy to chemical energy to synthesize ATP, and is powered by an electrochemical proton (H+) gradient a)Aerobic Respiration b)Photosynthesis c)Botharrow_forwardDraw a diagram depicting the processes of electron transport and chemiosmosis in the mitochondrion. Label inner membrane, intermembrane space, matrix, electron transport complexes I through IV, and ATP synthase. Use arrows to show the movement of H + ions into and out of the intermembrane space. Show where electrons from both NADH and FADH2 are introduced into the electron transport chain, the reduction of free oxygen to form water, and the synthesis of ATParrow_forward
- Explain what ATP synthase is. Explain what a Na+/K+ pump is. In what way are ATP synthase and the Na+/K+ pump similar to each other? Give 2 differences in the function of ATP synthase and the Na+/K+ pump.arrow_forwardA proton gradient is created during the electron transport chain using the energy released from the oxidation of NADH and FADH2. The protons then cross the membrane through ATP synthase down their electrochemical gradient, and ATP is produced. This is an example of A) energy coupling B) cotransport C) allosteric regulation.arrow_forwardexplain how ATP is generated by chemiosmosis?arrow_forward
- How does cyclic electron transport lead to the production of ATP?arrow_forwarddescribe the generalized reversible reaction for release of energy from ATP and explain the role of ATP in the cellarrow_forwardChoose 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_forward
- What are the inputs and outputs of the electron transport chain and chemiosmosis?arrow_forwardExplain how cellular respiration and photosynthesis are interrelated. (hint: there are three ways)arrow_forwardWhen electrons flow along the electron transport chains ofmitochondria, which of the following changes occurs?(A) The pH of the matrix increases.(B) ATP synthase pumps protons by active transport.(C) The electrons gain free energy.(D) NAD+is oxidized.arrow_forward
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