In the body, vitamin A helps
A. maintain epithelial cells.
B. the small intestine absorb calcium and phosphorus.
C. insulin enter cells.
D. reduce collagen synthesis.
Answer: A
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__________is a soft, moist mass of chewed food
A) A villus B) Bile C) Mucus D) A bolus
The primary function of vitamin C in cellular metabolism is to
A. synthesize collagen. B. add hydroxyl groups to the amino acid proline. C. maintain iron in its reduced form in the formation of collagen. D. act as nonspecific reducing agent (electron donor).
Sarah has a body fat percentage of 34%. This is considered ________.
A. healthy B. overweight C. extremely obese D. obese
High intensity exercise has been shown to oxidize a higher proportion of calories from fat
Indicate whether the statement is true or false