Biology
Biology
4th Edition
ISBN: 9781259188121
Author: Peter Stiling, Robert Brooker, Linda Graham, Eric Widmaier
Publisher: McGraw-Hill Education
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Chapter 7, Problem 9TY
Summary Introduction

Introduction: Oxidative phosphorylation is the process by which electrons are transferred from NADH or FADH2 to oxygen molecules. This happens through a series of steps in which it passes though many electron carriers and results in the formation of ATP molecules.

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Which of the following statements concerning ATP synthesis in mitochondria is FALSE?                a. interruption of the flow of electrons from NADH to oxygen would decrease ATP synthesis   b. making the inner mitochondrial membrane permeable to H+ would decrease ATP synthesis   c. the energy liberated by the electron-transport chain is used to pump H+ ions into the IM-space   d. the movement of H+ through a special channel enzyme (synthase) results in ATP synthesis   e. when protons move from the matrix to the IM-space, ATP is made from ADP + Pi
Under normal conditions, as electrons flow down the electron transport chain of the mitochondria: a. All of them are correct b. NADH and FADH2 are oxidized c. The pH of the matrix increases d. An electrochemical gradient is formed e. The electrons lose free energy
Which of the following statements about FAD is FALSE?   a. More ATP is produced from the high-energy electrons carried by FADH2 than from those of NADH   b. Electrons stored in FADH2 are used in oxidative phosphorylation   c. FADH2 has more chemical potential energy than FAD   d. FADH2 enters the electron transport chain at Complex 2   e. FAD is reduced into FADH2 during the Citric Acid Cycle
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The Cell Membrane; Author: The Organic Chemistry Tutor;https://www.youtube.com/watch?v=AsffT7XIXbA;License: Standard youtube license