Biology: Concepts and Investigations
Biology: Concepts and Investigations
5th Edition
ISBN: 9781260259049
Author: Hoefnagels
Publisher: MCG
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Chapter 4.2, Problem 3MC
Summary Introduction

To determine:

The protein that is oxidized and the protein that is reduced with reference to figure 4.6 “Electron Transport Chain,” given in the textbook and also explain the reason for the same.

Concept introduction:

Oxidation is a process in which a substance or an ionic species looses electron or there is an addition of oxygen or removal of hydrogen. Reduction is a process in which a substance or an ionic species gains electron and in which oxygen is removed or the hydrogen is added.

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First find and label ATP Synthase on the diagram below. Make boxes and add the labels for ATP, ADP, and Pi. Use an arrow indicating ATP being made by the right part of the synthase. This diagram also shows the mitochondrial electron transport chain. Work with your team to add the following labels Complexes l-IV Intermembrane space 02 FADH2 FAD H20 NAD+ Matrix NADH Path of electrons Protons Figure 7.10b Biology: How Life Works, Second Edition © 2016 Macmillan Education
You are trying to figure out an electron transport pathway including the following electron transport molecules: B, K, T, Q and X.  You do so by employing inhibitors for various steps in the process.  When you do, you get the following results:   Inhibitor                      Electron Transport Molecules Trapped in Reduced Form Ticin                           Q & K Digitin                        K Estin                            T, K, Q & B Lucin                           Q, K & T   What is the order of the molecules (the pathway) in the electron transport chain suggested by the above data from the most reduced to the least reduced molecule?   only one answer options:   K —> T —> B —> Q —> X   K —> Q —> T —> B —> X   T —> B —> K —> Q —> X   X —> B —> T —> Q —> K
Draw a simple word diagram showing the path of electrons through the electron-transport chain.b) On your word diagram below, circle the complexes that pump protons across the inner mitochondrial membrane. Put a box around mobile electron carriers.
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