How does the diet of the centenarians from the islands of Okinawa compare to that of most U.S. adults?
a. U.S. adults consume more seafood but fewer saturated fats.
b. Okinawans consume more vegetables but fewer calories.
c. U.S. adults consume more fruits but fewer calories.
d. Okinawans consume more calories but fewer sweets.
e. U.S. adults consume more foods with high antioxidant levels.
b
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The hallucinations commonly experienced during withdrawal from alcohol intoxication are believed to be due to a deficiency of:
a. magnesium. b. phosphorus. c. iron. d. calcium.
Which of the following is a good source of the essential fatty acid linoleic acid?
A. milk B. safflower oil C. mushroom D. beans E. brown rice
Bacteria grow best in foods with a water activity (aw) level of
A. 0.0 to 0.25. B. 0.25 to 0.59. C. 0.59 to 0.85. D. 0.85 to 0.97. E. None of these are correct.
A researcher has isolated an organic, water-soluble chemical from roses. After performing tests, the scientist determines that the chemical supplies no energy for cells, but protects cell membranes from being damaged by certain environmental factors. Based on this information, the researcher may have discovered a(an)
A. teratogen. B. antioxidant. C. amino acid. D. free radical.