Where is beta-carotene converted to retinol?
A) in the liver B) in the small intestine
C) in the large intestine D) in the stomach
B
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Which of the following statements is true?
A. Segmentation enables chyme to move through the esophagus. B. Foods that taste bitter are generally good energy sources because of their high carbohydrate contents. C. The gallbladder makes bile and stores the compound in the liver. D. Older adults generally have fewer taste buds than children.
Biologic therapies for cancer treatment include:
a. vaccines. b. megadose supplements. c. antibiotics. d. macrobiotic diets.
Is a chronic disease such as diabetes determined by our genes or by our lifestyle?
According to the 2015-2020 Dietary Guidelines for Americans, which of the following minerals is a nutrient of public health concern for pregnant females?
A. Silicon B. Iron C. Nickel D. Selenium