What is the primary role of the normal, thriving intestinal bacterial population?
a. Helps degrade meat and dairy proteins
b. Helps prevent infectious bacteria from attacking the system
c. Synthesizes vitamin D, which can be absorbed into the body
d. Synthesizes several amino acids, which can be absorbed into the body
b
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What is a naturally occurring food source of vitamin D??
A) ?egg yolks B) ?red meats C) ?tomato juice D) ?whole-wheat bread
An enzyme is a protein that ____
A) regulates metabolic processes B) speeds up (catalyzes) chemical reactions C) helps the body to achieve acid-base balance and optimal pH D) helps maintain fluid balance
Manganese is important for
A. antioxidant enzyme function. B. energy metabolism. C. bone health. D. All of these are functions of manganese.
Which vitamin is needed to make NAD+ and NADP+?
a. Thiamin b. Riboflavin c. Niacin d. Biotin