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