The sequence of steps involved in β-oxidation of butyryl CoA and the energy yield from the complete degradation of butyryl CoA via β-oxidation, the citric acid cycle, and oxidative phosphorylation has to be determined. Concept Introduction: β-oxidation is essentially the process of degradation of fatty acid into two-carbon acetyl-CoA. In each cycle of β-oxidation one fatty acid is converted to acetyl CoA and an acyl derivative of fatty acid with two carbons lesser than the initial fatty acid. The energy yield in terms of ATP depends upon the number of molecules of FADH 2 and NADH produced in the entire β-oxidation process of the saturated fatty acid. Each molecule of FADH 2 yields two ATP molecules. Each molecule of NADH yields three ATP molecules. Each citric acid cycle yields 3 NADH and 1 FADH 2 along with one GTP.

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Chapter 23.2, Problem 23.2PP

Interpretation Introduction

Interpretation:

The sequence of steps involved in β-oxidation of butyryl CoA and the energy yield from the complete degradation of butyryl CoA via β-oxidation, the citric acid cycle, and oxidative phosphorylation has to be determined.

Concept Introduction:

β-oxidation is essentially the process of degradation of fatty acid into two-carbon acetyl-CoA. In each cycle of β-oxidation one fatty acid is converted to acetyl CoA and an acyl derivative of fatty acid with two carbons lesser than the initial fatty acid.

The energy yield in terms of ATP depends upon the number of molecules of FADH2 and NADH produced in the entire β-oxidation process of the saturated fatty acid. Each molecule of FADH2 yields two ATP molecules. Each molecule of NADH yields three ATP molecules. Each citric acid cycle yields 3 NADH and 1 FADH2 along with one GTP.

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