Objectives

After reading this chapter you should be able to:

  • define the terms used in energy metabolism, and explain how energy expenditure is measured;
  • describe the sources of metabolic fuels in the fed and fasting states;
  • describe and explain the relationship between energy intake, energy expenditure and body weight;
  • describe the pathway of glycolysis and explain how anaerobic glycolysis under conditions of maximum exertion leads to oxygen debt;
  • describe the pentose phosphate pathway and explain how deficiency of glucose 6-phosphate dehydrogenase results in haemolytic crises;
  • describe the metabolic fates of pyruvate arising from glycolysis;
  • describe the citric acid cycle and explain its role as a central energy-yielding pathway and in the interconversion of metabolites;
  • explain the importance of carnitine in fatty acid uptake into mitochondria, and describe the ^-oxidation of fatty acids;
  • describe the formation and utilization of ketone bodies and explain their importance in fasting and starvation;.
  • describe the synthesis of fatty acids and triacylglycerol as a major energy reserve, and explain the importance of plasma lipoproteins;
  • describe the synthesis and utilization of glycogen and the pathways for gluconeogenesis in the fasting state.

Was this article helpful?

0 0
Diabetes Sustenance

Diabetes Sustenance

Get All The Support And Guidance You Need To Be A Success At Dealing With Diabetes The Healthy Way. This Book Is One Of The Most Valuable Resources In The World When It Comes To Learning How Nutritional Supplements Can Control Sugar Levels.

Get My Free Ebook


Post a comment