Metabolism of carbohydrates, fats, and proteins, yield energy for the body. Even when the body has plenty of protein available, the energy obtained from protein is less desirable than energy from fats or carbohydrates. Why?
1.Energy is not easy to use.
2.Energy value is low.
3.Released N atoms create a waste disposal problem.
4.Energy is not in pure form.
5.Protein is needed for other jobs, and wasted if used for energy.
3
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Why do we need Dietary Reference Intakes?
a. To make life hard on manufacturers and supplement companies b. To have standards so we know how good the diet someone or a population is eating c. Need to keep scientists busy doing experiments
________ is a food preservation process that exposes food to radiation energy, preventing microbial growth.
A. Pasteurization B. Food irradiation C. Ionization D. Sterilization
What is an example of an activity that would improve balance in an older adult?
A) Attach 2-pound ankle weights and perform leg lifts. B) Walk 6 blocks at a brisk pace. C) Hold onto a chair and stand on one foot. D) Reach down and touch the toes, holding the stretch for 10 seconds.
What can be concluded from the results of research on vitamin E supplementation?
a. There is not enough evidence to recommend taking supplements to prevent heart disease. b. Sufficient evidence exists to recommend that everyone over 40 should take a supplement. c. Large doses are more beneficial than low doses. d. All people who have had a heart attack should take a supplement.