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
Correct Answer:
Verified
Q22: Of these foods,which is the best source
Q23: Which of the following is not true
Q24: Which of the following is true of
Q25: Which B vitamin is stored extensively in
Q26: Of these foods,which is the best source
Q28: Which of the following is true of
Q29: A deficiency of which vitamin causes cheilosis,a
Q30: There is no RDA for biotin because
Q31: The RDA for niacin is _ .
A) expressed
Q32: Which of the following is known to
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