Take this quiz to examine how much you already know about proteins. If you cannot answer a question, pay extra attention to that topic as you study this chapter.

  1. The molecular structure of protein includes nitrogen, but the structures of fats and carbohydrates do not.

  2. The body can synthesize nonessential (dispensable) amino acids, but essential (indispensable) amino acids must be obtained from the foods you eat.

  3. Adequate amounts of protein in each day’s food plans are necessary for healthy growth and development.

  4. Pinto beans are a complete protein and supply all the essential amino acids.

  5. Males have greater protein requirements than females.

  6. Most healthy, growing children are in negative nitrogen balance.

  7. A diet excessively high in protein has few health consequences.

  8. Most athletes need a protein supplement to build muscles and train successfully.