How many kcalories are provided by a food that contains 25 g carbohydrate, 6 g protein, and 5 g fat?
a. 172
b. 169
c. 142
d. 102
b
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Briefly describe the roles of chloride in the body.
What will be an ideal response?
Which of the following statements about the digestive process is incorrect?
A) Chyme passes from the stomach to the small intestine. B) Both the small intestine and the large intestine contain villi for absorption. C) The large intestine is where water is reabsorbed. D) Bacteria in the colon play a role in producing biotin and vitamin K.
What characteristic is shared by cholesterol and lecithin??
A) ?Both are sterols. B) ?Both are phospholipids. C) ?Both are synthesized in the body. D) ?Both are essential dietary nutrients.
In comparison to the well-defined structure of starch, which of the following is the most important factor that allows for the synthesis of thousands of different proteins?
a. Number of cell ribosomes b. Number of different amino acids c. Availability of amino acids containing sulfur d. Availability of amino acids containing hydroxyl groups