For enzymes secreted into the intestinal tract to work best, the environment of the bowel needs to:
a. be acidic.
b. be alkaline.
c. secrete mucus.
d. have motility.
b
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In countries where the staple food source is unleavened bread made from whole grains, zinc deficiency may be prevented by eating
a. refines grains b. breads with yeast c. fortified grains d. bread in which the grains were soaked before being baked
What do "zinc fingers" do?
a. Stabilize cell membranes b. Regulate transcription by turning on and off specific genes c. Participate in redox reactions that generate ATP d. Promote synthesis of norepinephrine and collagen
Pantothenic acid is abundant in:
a. raw spinach. b. sunflower seeds. c. apples. d. All of the above.
Intake of ________ enhances protein synthesis following physical activity
a. carbohydrate b. protein c. fat and water d. carbohydrate and protein e. protein and water