Matching Pairs NutritionOnline version Nutrition Definitions by Sara Cipriano 1 Essential Nutrient 2 Amino Acid 3 Low-Density Lipoprotein 4 Glucose 5 High-Density Lipoprotein 6 Cholesterol 7 Macronutrient 8 Carbohydrate 9 Protein 10 kilocalorie 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. A simple sugar that is the body’s basic fuel. Blood fat that helps transport cholesterol out of the arteries. An important nutrient required by the body in relatively large amounts. 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 waxy substance in the blood and cells needed for synthesis of cell membranes, vitamin D, and hormones. A measure of energy content in food. One of the building blocks of proteins.