Matching Pairs NutritionOnline version Nutrition Definitions by Sara Cipriano 1 Protein 2 Carbohydrate 3 Essential Nutrient 4 Macronutrient 5 Glucose 6 kilocalorie 7 Cholesterol 8 High-Density Lipoprotein 9 Amino Acid 10 Low-Density Lipoprotein A simple sugar that is the body’s basic fuel. Blood fat that helps transport cholesterol out of the arteries. An essential nutrient that forms important parts of the body’s main structures as well as blood enzymes, hormones, and cell membranes. One of the building blocks of proteins. A measure of energy content in food. A waxy substance in the blood and cells needed for synthesis of cell membranes, vitamin D, and hormones. An essential nutrient required for energy for cells. Dietary component the body must get from foods or supplements because the body cannot manufacture it to meet its needs. Blood fat that transports cholesterol to organs and tissues. An important nutrient required by the body in relatively large amounts.