Match the following. 1. chemicals or building blocks used to make proteins complex carbohydrates 2. proteins that are low in one or more amino acids fiber 3. proteins with all the amino acids needed to make body tissues amino acids 4. starches simple carbohydrates 5. sugars complete proteins 6. nutrients best used to repair and build tissues proteins 7. a plant material that humans cannot digest cholesterol 8. a fat-like substance found in blood, tissues, and food. incomplete proteins