This preview shows page 1. Sign up to view the full content.
Unformatted text preview: Control of food intake by the brain
feeding center (tonically active) satiety center
Figure 22-1 Measurement of metabolic rate • Metabolism - all of the chemical reactions in the body • Energy expenditure
– measured by heat production (calorimetry) – oxygen consumption rate (indirect calorimetry) • Respiratory quotient (CO2 produced/O2 consumed) varies with diet
– 1.0 for carbohydrates – 0.7 for fat – 0.8 for protein Anabolism - pathways involving synthesis Catabolism - pathways involving breaking down molecules Figure 22-2 • Composition of foods
– Link to Food and Nutrition Information Center (USDA site) Cholesterol
review - fat digestion and absorption Fig. 21-18 and 21-20 review bile salt production by liver Fig. 21-10
Figure 22-5 Fasted-state metabolism Figure 22-7 ...
View Full Document
This note was uploaded on 12/01/2010 for the course BIO SCI Bio Sci E1 taught by Professor Catherineloudin during the Spring '10 term at UC Irvine.
- Spring '10