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NAME: DATE: Macronutrient Quiz Answers BLM 1.5 1. Proteins are made up of amino acids , carbohydrates are made up of simple sugars , and fats are made up of fatty acids . (6 marks) 2. For every gram of a) protein, our body obtains 4 Calories of energy (1 mark) b) fat, our body obtains 9 Calories of energy (1 mark) c) carbohydrates, our body obtains 4 Calories of energy (1 mark) 3. The main function of a) protein is to build and repair healthy muscles (3 marks) b) carbohydrates is energy production (1 mark) c) fat is to help protect organs and insulate our bodies during excessive cold (2 marks) 4. Fill in the missing information to complete the table. (9 marks) Acceptable Macronutrient Distribution Ranges Chart Total Carbohydrates Total Protein Total Fat % of Energy % of Energy % of Energy 1–3 years 45–65% 2–20% 30–40% 4–18 years 45–65% 10–30% 25–35% 19 years and over 45–65% 10–35% 20–35% Males & Females 1 Nutrition & Healthy Eating: Choices, Practices, and Patterns Copyright © McGraw-Hill Ryerson 2013 978-1-25-903058-1 NAME: DATE: Macronutrient Quiz Answers BLM 1.5 (continued) 5. Describe two problems that can occur in our bodies as a result of excess a) fat (4 marks) Energy from excess fat is stored as adipose tissue, leading to weight gain and increased risk of cardiovascular disease and type 2 diabetes. In addition, excess saturated fat can increase the risk of heart disease, cancer, and obesity. b) carbohydrates (4 marks) Energy from excess carbohydrates is stored as adipose tissue, leading to weight gain, and increased risk of cardiovascular disease and type 2 diabetes. Excess fibre can result in indigestion, diarrhea, and excessive gas. c) protein (4 marks) Excess protein is metabolized for energy, wasting the valuable amino acids that are present. In addition, excess protein can put a strain on kidney and liver function, and lead to tissue damage. 6. The molecular shape of unsaturated fatty acids is changed by hydrogenation , resulting in a trans fat. (1 mark) 7. Two incomplete proteins that work together to achieve a complete protein are called complementary proteins. (1 mark) 8. The smallest form of carbohydrates are commonly called monosaccharides. Three examples are glucose, galactose, and fructose. (3 marks) 2 Nutrition & Healthy Eating: Choices, Practices, and Patterns Copyright © McGraw-Hill Ryerson 2013 978-1-25-903058-1