Niacin Was Involved in a Groundbreaking Discovery That Showed That

question 88

Multiple Choice

Niacin was involved in a groundbreaking 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

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