
Concept explainers
(a)
Interpretation: To determine the number of protons that cross the inner mitochondrial membrane at the complex I when two electrons from an FADH2 molecule are passed through the electron transport chain.
Concept introduction: Oxidative phosphorylation is the biochemical process for the synthesis of ATP from ADP and
FADH2 is the reduced form of flavin adenine dinucleotide. The main function of flavin adenine dinucleotide is to act as an oxidizing agent and used by the cell in oxidation reactions like oxidation of fatty acid.
(b)
Interpretation: To determine the number of protons that cross the inner mitochondrial membrane at the complex II when two electrons from an FADH2 molecule are passed through the electron transport chain.
Concept introduction: Oxidative phosphorylation is the biochemical process for the synthesis of ATP from ADP and
FADH2 is the reduced form of flavin adenine dinucleotide. The main function of flavin adenine dinucleotide is to act as an oxidizing agent and used by the cell in oxidation reactions like oxidation of fatty acid.
(c)
Interpretation: To determine the number of protons that cross the inner mitochondrial membrane at the complex III when two electrons from an FADH2 molecule are passed through the electron transport chain.
Concept introduction: Oxidative phosphorylation is the biochemical process for the synthesis of ATP from ADP and
FADH2 is the reduced form of flavin adenine dinucleotide. The main function of flavin adenine dinucleotide is to act as an oxidizing agent and used by the cell in oxidation reactions like oxidation of fatty acid.
(d)
Interpretation: To determine the number of protons that cross the inner mitochondrial membrane at the complex IV when two electrons from an FADH2 molecule are passed through the electron transport chain.
Concept introduction: Oxidative phosphorylation is the biochemical process for the synthesis of ATP from ADP and
FADH2 is the reduced form of flavin adenine dinucleotide. The main function of flavin adenine dinucleotide is to act as an oxidizing agent and used by the cell in oxidation reactions like oxidation of fatty acid.

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Chapter 12 Solutions
Organic And Biological Chemistry
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