Niacin was involved in a groundbreaking nutrition discovery that showed that _____.
a. diet inadequacies could cause disease
b. the B vitamins were involved in energy metabolism
c. tryptophan was a precursor of niacin
d. niacin was a water-soluble vitamin
e. dermatitis was a symptom of niacin deficiency
Answer: A
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BPA may be present in plastic with a recycling code of _____ or _____
a. 1; 3 b. 2; 6 c. 3; 7 d. 6; 1 e. 7; 2
The digestive tract begins at the ____ and ends at the ____
a. stomach; large intestine b. pharynx; rectum c. lower esophageal sphincter; rectum d. mouth; anus e. tongue; renal glands
What are antacids and how do they neutralize stomach acid?
Iron-deficiency anemia related to copper deficiency occurs due to the reduced activity of ____.?
A) ?cytochrome c oxidase B) ?lysyl oxidase C) ?pteridines D) ?ceruloplasmin