True/False
41. Trace minerals not as essential as the major minerals.
42. : 1400791.
True/False
41. Trace minerals are not as essential as the major minerals.
42. The amount of a trace mineral in a plant food can be influenced by the soil in which the food was grown.
43. Most of the trace minerals have interactions with other nutrients.
44. The amount of iron in the body does not affect how much iron is absorbed.
45. Iron absorption is tightly regulated in order to prevent toxicity.
46. Both ferroportin and tranferrin transport iron in the same oxidation state.
47. The pH of the digestive tract affects the solubility of iron.
48. Because iron absorption is so tightly regulated, iron overload is impossible.
49. About half of the iron in an average American diet comes from enriched grain products and cereals.
50. Organ damage can result from iron overload in the body.
True/False
41. Trace minerals not as essential as the major minerals.
42. : 1400791
