Which of the following is the primary function of ascorbic acid?
A. It is required for the conversion of homocysteine to methionine.
B. It participates in the regulation of gene expression.
C. It is required for the transport and metabolism of fat and cholesterol.
D. It acts as an antioxidant and is required for collagen synthesis.
E. It is required for normal red blood cell formation.
Answer: D
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Which of the following words is a generic term that has no professional definition?
A. nutritionist B. dietician C. nutrition dietetic technician D. dietary clerk or aide
The compact bone that makes up the outer surface of bone is called
A) trabecular. B) cortical. C) spongy. D) collagen.
What is the approximate transit time for food to pass from the mouth to the anus?
a. 6 - 12 hours b. 12 - 24 hours c. 18 - 36 hours d. 24 - 72 hours
Ethylene gas
a. may allow the fruits to deteriorate more quickly. b. slows down the ripening process. c. reduces respiration. d. all of the above answers are correct