Which micronutrient deficiencies are of particular concern worldwide?
a. Iodine, iron, and vitamin A
b. Fluoride, zinc, and vitamin D
c. Magnesium, sodium, and iron
d. Vitamin B12, niacin, and vitamin C
a
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The reason people who follow a low-carbohydrate diet are often in ketosis is that
A) they eat inadequate amounts of fat. B) their diet lacks sufficient fiber. C) they eat too much protein. D) they are unable to break down fat completely.
The body produces _____ from fatty acids when its supply of glucose is limited
a. glucose b. glycogen c. triglycerides d. ketones
Which of the following is true of the process of photosynthesis?
A) It produces glucose and oxygen. B) 36 adenosine triphosphate molecules are produced at the final stage of photosynthesis. C) It prevents blood glucose levels from becoming dangerously elevated. D) Molasses is purified by photosynthesis.
When _____ stores are low or hemoglobin levels are low, less oxygen is delivered to cells, and less energy is produced than normal
a. zinc b. vitamin B12 c. iron d. vitamin E e. potassium