Here are the correct matches between Column A and Column B:
- Protein: b. large molecules with a variety of roles, made up of simpler compounds known as amino acids
- Vitamin: e. organic compound found naturally in plants and animals that the body needs in small amounts for normal growth and activity
- Nutrient: d. a substance needed by an organism in order for it to survive, grow, and develop
- Lipid: f. both fats and oils, serve a number of functions in the human body
- Mineral: a. an inorganic substance found in nature
- Enzyme: c. a reusable protein used to speed up a specific chemical reaction