The lungs are unable to eliminate which types of acids?
a. nonvolatile acids
b. volatile acids
c. reactive acids
d. nonreactive acids
e. enzymatic acids
a
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Ron's diet lacks niacin. He hasn't developed pellagra, because he consumes a high-protein diet that contains plenty of ________, the precursor for niacin.
A. tryptophan B. alanine C. beta-carotene D. alpha-tocopherol
A disorder characterized by reduced digestion of lactose due to the low availability of the enzyme lactase is called:
a. lactose intolerance. b. milk intolerance. c. milk allergy. d. lactose maldigestion.
Betty is constipated. She generally has bowel movements only twice a week. To help relieve her constipation without taking medications, Betty should
A. reduce her intake of whole-grain breads and cereals. B. reduce her intake of fruits and vegetables. C. increase her intake of refined carbohydrates. D. increase her intake of foods that contain insoluble fiber.
What process results in the hardening of an egg when it is exposed to heat?
a. Solidification b. Denaturation c. Condensation d. Protein interaction