Matching Pairs NutritionOnline version Nutrition Definitions by Sara Cipriano 1 Carbohydrate 2 High-Density Lipoprotein 3 Low-Density Lipoprotein 4 Protein 5 Amino Acid 6 kilocalorie 7 Glucose 8 Essential Nutrient 9 Macronutrient 10 Cholesterol An important nutrient required by the body in relatively large amounts. An essential nutrient that forms important parts of the body’s main structures as well as blood enzymes, hormones, and cell membranes. A waxy substance in the blood and cells needed for synthesis of cell membranes, vitamin D, and hormones. 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. An essential nutrient required for energy for cells. A measure of energy content in food. Blood fat that transports cholesterol to organs and tissues. One of the building blocks of proteins.