Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Question
Oxidative phosphorylation only occurs in the Electron Transport Chain.
True
False
Expert Solution
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Step 1
The cellular respiration is very important process and occurs in every living cells of an organisms that are responsible for the production of energy in the form of ATP by oxidizing the carbohydrate molecule. It is the main source of energy production within the body that ultimately provides ATP to perform all the cellular activities.
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- The hydrolysis of the phosphoester bond of ATP releases a large amount of free energy. True or false?arrow_forwardThe synthesis of ATP by oxidative phosphorylation, using the energy released by movement of protons across the membrane down their electrochemical gradient, is an example of which of the following processes?arrow_forwardLactic acid is a biproduct formed at the end of anaerobic respiration. This molecule is dangerous to cells of the body if it builds up too much. Despite this, the formation of lactic acid is very important. Explain why the process of anaerobic respiration is so important (providing reference to glycolysis, the role of coenzymes, and ATP formation).arrow_forward
- Based on your knowledge of oxidative phosphorylation, explain why there is an increase in whole-animal oxygen consumption when your dog (or cat) runs.arrow_forwardThe citric acid cycle will be most active when the ATP/ADP ratio is high. True or falsearrow_forwardExplain from a chemical stand point why ATP has a high phosphoryl-transfer potential. Make sure to compare ATP with its hydrolysis products, ADP and inorganic phosphate.arrow_forward
- Oxygen is the final electron acceptor in the electron transport chain. However, in the absence of oxygen the Kreb's cycle does not work either. Why does the Kreb cycle not proceed without oxygen when oxygen plays no direct part in its sequence of biochemical reactions? Hint: think of oxidation and reduction of electron carriers.arrow_forwardThe proton-motive force drives the rotation of the Y subunit of ATP synthase. This creates conformational changes in the active sites of ATP synthase that accelerate the rate of bond formation between ADP and P, through the stabilization of a tetrahedral intermediate. True Falsearrow_forwardWhy is ATP hydrolysis is so favorable?arrow_forward
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