Which of the following is a property of the fat-soluble vitamins?

a. Most of them are synthesized by intestinal bacteria
b. Intestinal transport occurs by way of the portal circulation
c. Deficiency symptoms may take years to develop on a poor diet
d. Toxicity risk is higher for vitamins E and K than for other fat-soluble vitamins


c

Nutritional Science

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Immunity against a specific antigen is called ____ immunity.?

A) ?adaptive B) ?innate C) ?systemic D) ?complementary

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Vitamins can be converted directly into energy within cells

Indicate whether the statement is true or false

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