Which of the following is true regarding B vitamins and homocysteine metabolism?
a. Folate catabolyzes homocysteine
b. Biotin supplements reduce blood homocysteine levels
c. Excessive homocysteine intake reduces vitamin B12 absorption
d. High blood homocysteine levels correlate with reduced incidence of colon cancer
a
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List three ways in which a community nutritionist might be involved in public policy
Mary is 60 years old and at risk for osteoporosis. Which of the following dietary supplements would be the MOST helpful to minimize bone loss, when combined with calcium?
A. magnesium B. vitamin K C. phosphorus D. vitamin D
Ethylene gas
A. speeds up ripening of fruit. B. increases the starch content of fruit. C. reduces respiration of fruit. D. causes foodborne illness in people who consume it from fruit.
Like _____, lipids are made of _____ atoms
a. vitamins; C, N, and O b. carbohydrates; C, H, and O c. protein; C, H, O, and N d. water; C, H, and O