What happens to retinal in the enterocyte??
A) ?It is esterified.
B) ?It is reduced to retinol.
C) ?It is transported into the portal blood.
D) ?15, 15' dioxygenase acts to form beta-carotene.
A
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A person who consumes excessive amounts of alcohol is at the risk of developing _____.
A. cirrhosis of the liver B. iron-deficiency anemia C. gum disease D. osteoporosis E. oxidative stress
The factor that contributes most to basal metabolic rate is:
a. body weight. b. fat-free mass. c. health status. d. thyroid hormone levels.
What type of formula is available for infants with lactose intolerance??
A) ?egg B) ?soy C) ?barley D) ?powdered cow's milk
Binders in some fibers chemically link to which nutrients, thereby making them unavailable for absorption?
a. zinc and calcium b. vitamins C and D c. sugars and iron d. B vitamins and vitamin C e. iron and B vitamins