Which of the following describes an association between vitamin A and vision?
a. Retinoic acid is the form required for synthesis of retinoblasts
b. Light causes retinal to shift from a cis to a trans configuration
c. Retinol is the form bound to beta-carotene in the corneal membrane
d. Pigment molecules in the retina are composed of a molecule of vitamin A bound to an omega-3 fatty acid
b
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Which of the following is called milk sugar?
A. sucrose B. maltose C. lactose D. fructose
Which of the following flours contains more starch and less protein than wheat flour and is used primarily in pancake and waffle mixes as well as in crêpes and blinis?
A. buckwheat B. chickpea C. cornmeal D. rice E. rye F. soy
The most common form of lipid in the diet is
A. Cholesterol B. Phospholipid C. Triglyceride
Which of the following is a characteristic of the trace minerals?
a. A deficiency sign common to many trace minerals is dermatitis b. The amounts in foods are dependent, in part, on soil composition c. Deficiencies are more difficult to recognize in children than in adults d. The amount of all trace minerals in the average person totals approximately 100 grams