The document discusses the four major classes of biological macromolecules - carbohydrates, lipids, proteins, and nucleic acids. It describes the monomers, polymers, and functions of each macromolecule class. It also discusses nutrition and interpreting food labels, noting health effects of obesity like diabetes and heart disease.
40. You Are What You Eat Protein Steak Structural proteins, enzymes and energy Amino acids (a) Structural Proteins (b) Carbohydrate breakdown ATP Fat Butter Glycerol and fatty acids Carbohydrates Apple Structural components Energy production Build membranes Stored energy (c) Fat breakdown Fat droplet ATP ATP Figure 3.14
41. Reading Food Labels Unsaturated fats? Complex carbs? 1 g fat = 9 calories 1 g carb = 4 calories 1 g protein = 4 calories Check out the website links posted on MyGateway!