Ascorbic acid is another name for:
a. folic acid.
b. vitamin C.
c. vitamin K.
d. niacin.
b
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What is the recommended carbohydrate intake for good health for adults in the U.S.?
A) 30 to 40 percent of total energy intake B) 45 to 65 percent of total energy intake C) 50 to 70 percent of total energy intake D) 70 percent or more of total energy intake
The stomach
A. produces sulfuric acid, which helps digest starch. B. secretes enzymes, including bile and various amylases. C. churns food, mixing it with gastric juice. D. absorbs most vitamins and minerals.
Approximately what percentage of the body is composed of fluid?
A. 10 - 20% B. 30 - 45% C. 50 - 70% D. 60 - 80%
An important type of metabolic chemical that is not used up in the reactions it causes is:
a. hormones. b. enzymes. c. coenzymes. d. neurotransmitters.