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