Chapter 15, Problem 3AYB

Many distance runners “carb load” the day before a big race. How does this eating strategy provide an advantage to the runner? The carbohydrates cause the release of insulin. The excess carbohydrates are converted to fats, which have a higher calorie density. The glucose from the carbohydrates lets the muscles make excess ATP overnight The excess carbohydrates can be stored in the muscles as glycogen.

Which of the following statements is not true? Essential nutrients can be synthesized by the body Vitamins are required in small quantities for bodily function Some amino acids can be synthesized by the body, while others need to be obtained from diet Vitamins come in two categories: fat-soluble and water-soluble.

Humans have the most urgent need for a continuous supply of ________. food nitrogen oxygen water