Human Anatomy & Physiology     Summer 06

Metabolism

Instructions
Please read each section/question carefully. Answer questions in complete sentences, and cite all outside materials using footnotes.  All work is to be typed, and may be submitted either by email or in class.  This assignment is due no later than midnight Thursday August 3rd.  NO LATE PAPERS ACCEPTED. 

1. Explain the role of ATP in metabolism

2. Many vitamins and minerals are used in energy metabolism.  Identify three vitamins and /or minerals and describe their roles in ATP synthesis.

3. What is gluconeogenesis, what nutrients can potentially cause it and why is it important?

4. What are ketone bodies, what are they derived from?  What is ketosis?

5. Define Basal Metabolic Rate [BMR] and explain several factors that affect it.

6. What is the BMI [body mass index]?  Discuss a positive aspect and a negative aspect of this index.

7. What are leptin and ghrelin?  How do they work in our bodies?

8. Now that you understand protein, lipid and glucose metabolism, think about the Atkins’ diet.  Discuss your impression of why its successful, and what its potential long-term effect might have on both weight control and health in general.