ANATOMY & PHYSIOLOGY
ANATOMY & PHYSIOLOGY
4th Edition
ISBN: 9781264719969
Author: McKinley
Publisher: MCG
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Chapter 3.4, Problem 20WDYL
Summary Introduction

To determine:

Two general fates of pyruvic acid and the criterion for determining its fate.

Concept introduction:

Glucose is the ultimate source of energy in our body. It is so because our body recognizes glucose as the primary energy source. Among the energy sources from carbohydrates, proteins and fats, it is carbohydrates that are broken first for the purpose of energy generation by respiration. The first step in the process of energy generation is glycolysis, the end product of which is pyruvate, which is a three carbon stable organic compound.

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How much ATP will be produced during the following metabolic scenario: Aerobic respiration of a 5mM lipid solution that is made up of one glycerol and an 8-carbon fatty acid and 12-carbon fatty acid. Recall that when glycerol breaks down to Glyceraldehyde-3-phosphate it costs one ATP but your get an extra FADH2. Every two carbons of a fatty acid break down to one acetyl-CoA.  Units cannot be entered in this style of question but the units of your answer should be in mM of ATP.
If a bacterium using aerobic respiration was to degrade one small protein molecule into 8 molecules of pyruvic acid, how many ATP would that cell make? Assume there is no other carbon source.   Units cannot be entered in this style of question but the units of your answer should be in molecules of ATP.
If a bacterium using aerobic respiration was to degrade a 30 mM solution of citric acid, how many ATP would that cell make?  Assume no other carbon source is available.  Units cannot be entered in this style of question but the units of your answer should be in mM of ATP.

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Anaerobic Respiration; Author: Bozeman Science;https://www.youtube.com/watch?v=cDC29iBxb3w;License: Standard YouTube License, CC-BY