Phosphorus is critical to the acid-base balance in cells because of its role in:
a. creating buffers to maintain the correct pH
b. creating phospholipids to carry fats through the blood.
c. binding with calcium in muscle tissues.
d. transporting sodium from the cells.
e. synthesizing amino acids.
a
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Identify a true statement about phenylketonuria.
A. It is also called hypophenylalaninemia. B. It is a rare genetic disorder that affects cell growth. C. It causes elevation in blood phenylalanine levels. D. It is characterized by the abundance of phenylalanine hydroxylase in blood. E. It occurs because of the presence of high levels of tyrosine in the body.
Fifteen grams of carbohydrate could be obtained from which of the following?
A. 3 cups popcorn (popped) B. 1.5 oz potato chips C. 2 slices bread D. 1 cup corn E. 1 medium baked potato
The amount of energy (kcal) provided by the B-complex vitamins is:
a. 4 kcal/g. b. 7 kcal/g. c. 9 kcal/g. d. 0 kcal/g.
Which of the following nutrients has functions similar to those of vitamin E?
a. Iron b. Selenium c. Chromium d. Molybdenum e. Manganese