Campbell Essential Biology (7th Edition)
7th Edition
ISBN: 9780134765037
Author: Eric J. Simon, Jean L. Dickey, Jane B. Reece
Publisher: PEARSON
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Chapter 6, Problem 6SQ
Summary Introduction
To explain:
The reason why cyanide that acts by blocking a key step in the electron transport chain kills so quickly.
Introduction:
Electron transport chain occurs in the inner membrane of the mitochondria. This process includes series of molecules that carries electron. In this, each molecule passes electron to the next molecule and with each exchange, there is a release of energy that can be indirectly utilized to generate ATP molecule.
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Models such as the one shown in the illustration below are often used to represent the electron transport chain. Explain why this model is well-suited to this concept. Explain why metabolic processes such as cellular respiration and photosynthesis require a multi-stage release of energy, rather than a one-step reaction
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Explain why compounds such as cyanide that disrupt the electron transport chain are poisons
Chapter 6 Solutions
Campbell Essential Biology (7th Edition)
Ch. 6 - Which of the following statements is a correct...Ch. 6 - Prob. 2SQCh. 6 - Prob. 3SQCh. 6 - Of the three stages of cellular respiration, which...Ch. 6 - The final electron acceptor of electron transport...Ch. 6 - Prob. 6SQCh. 6 - Prob. 7SQCh. 6 - Prob. 8SQCh. 6 - Exercise scientists at an Olympic training want to...Ch. 6 - Prob. 10SQ
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- Energy is required to reverse the flow of the electron transport chain. Why would this be so?arrow_forwardHydrogen cyanide gas is a lethal poison that binds to the last cytochrome molecule in the electron transport chain. What effect would this have at the cellular level?arrow_forwardHydrogen cyanide gas is a lethal poison that binds to the last cytochrome molecule in the electron transport system. What effect would this have at the cellular level?arrow_forward
- The electron transport system consists of a series of oxidations rather than one reaction. Why is this an importantfeature of energy capture?arrow_forwardExplain how NADH carry electrons by explaining what a hydride is. Which metabolites can potentially accumulate when complex I of the electron transport chain is defective? Do you think NAD therapy will help with hangovers? Explain.arrow_forwardCyanide causes an irreversible inhibition of electron transport that prevents ATP synthesis, whereas the inhibitoryeffect of small amounts of dinitrophenol on ATP synthesisis reversible. Explain the difference.arrow_forward
- Use this analogy "A baker starts with a bowl of dough and eventually turns it into all sorts of goodies" to explain the events of the Krebs Cycle and the Electron Transport Chain.arrow_forwardDescribe the regulation of cytochrome - C in molecular-level detail. please describe in own wordsarrow_forwardCytochrome c oxidase is the Multiple Choice in the electron transport chain. enzyme that reduces other cytochromes enzyme that reduces ATP synthase enzyme that oxidizes oxygen O enzyme that reduces oxygenarrow_forward
- Which of these molecules associated with electron transport is in the reduced state? Choose from the following: (A) cytochrome a3+++ (b) cytochrome a3++arrow_forwardExplain this krebs cyclearrow_forwardWhat are the inhibitors of complex 1,2,3,4, and 5 of electron transport chain? Write their namearrow_forward
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