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