Limiting empty calories is important as they provide mostly calories and fewer nutrients.
a. true
b. false
Ans: a. true
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All homeostatic mechanisms work by a series of feedback devices.
Answer the following statement true (T) or false (F)
Treating foods with gamma radiation renders them less susceptible to deterioration by generating powerful antioxidant molecules within the food
Indicate whether the statement is true or false
Answer the following questions true (T) or false (F)
1. Each enzyme needs a specific substrate or nutrients, pH, and optimal temperature in order to function optimally. 2. Saliva, gastric juices, bile, and bicarbonate contribute to the optimal environment for absorption to occur. 3. Clara is a healthy college student who eats reasonably well and has not been sick for several years. She therefore digests and absorbs 92-97 percent of the nutrients in her foods.
Which of the following tissues has the lowest water content?
a. skeletal muscle b. heart muscle c. adipose tissue d. liver e. kidney