Campbell Essential Biology with Physiology (6th Edition)
6th Edition
ISBN: 9780134711751
Author: Eric J. Simon, Jean L. Dickey, Jane B. Reece
Publisher: PEARSON
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Textbook Question
Chapter 6, Problem 6SQ
The poison cyanide acts by blocking a key step in the electron transport chain. Knowing this, explain why cyanide kills so quickly.
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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 with Physiology (6th Edition)
Ch. 6 - Which of the following statements is a correct...Ch. 6 - Why are plants called producers? Why are animals...Ch. 6 - How is your breathing related to your cellular...Ch. 6 - Of the three stages of cellular respiration, which...Ch. 6 - The final electron acceptor of electron transport...Ch. 6 - The poison cyanide acts by blocking a key step in...Ch. 6 - Cells can harvest the most chemical energy from...Ch. 6 - _______ is a metabolic pathway common to both...Ch. 6 - Prob. 9SQCh. 6 - A glucose-fed yeast cell is moved from an aerobic...
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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_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_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_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_forwardWhich of these molecules associated with electron transport is in the reduced state? Choose from the following: (A) cytochrome a3+++ (b) cytochrome a3++arrow_forward
- Cytochrome 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_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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Anaerobic Respiration; Author: Bozeman Science;https://www.youtube.com/watch?v=cDC29iBxb3w;License: Standard YouTube License, CC-BY