Conjugated linoleic acid (CLA) is an isomer of linoleic acid, an essential fatty acid found in ____
A) legumes
B) dark green vegetables
C) fish
D) beef
D
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Paracellular absorption of calcium ____
A) ?occurs by diffusion mainly in the jejunum and ileum B) ?requires a membrane channel protein called TRPV6 C) ?requires energy and is saturable D) ?increases with low dietary calcium intakes
A diet provides a total of 2200 kcalories, of which 40% of the energy is from fat and 20% from protein. How many grams of carbohydrate are contained in the diet?
a. 220 b. 285 c. 440 d. 880
Canned crab may exhibit an unappetizing but harmless blue tint caused by _____ in the crab's blood combining with the ammonia in its flesh.
A. iron B. copper C. zinc D. iodine
Superoxide dismutase, which is vital for protecting cells against free radicals, may contain zinc.
a. true b. false