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Unformatted text preview: Chapter 6 (Proteins)‐ Sample Test Questions 1) Which of the following is the primary factor that differentiates one amino acid from another? a. The side group b. The central carbon atom c. The number of oxygen atoms d. The number of nitrogen atoms 2) Which of the following is a feature of an essential amino acid? a. It is not necessary in the diet b. It must be supplied by the diet c. It can be made from fat in the body d. It can be made from glucose in the body 3) The application of heat or acid to a protein that causes its shape to change is known as a. stiffening. b. condensation. c. denaturation. d. destabilization. 4) Which of the following describes a process in protein synthesis? a. The code to make a protein is carried by a strand of messenger RNA b. The final step in completing the protein is carried out in the mitochondria c. The function of transfer RNA is to assist in absorption of amino acids into the cell d. The DNA binds to ribosomes and directs uptake of specific amino acids to form the peptide chain 5) How many grams of nitrogen are contained in a 2500‐kcalorie diet that provides 15% of the energy as protein? a. 2.5 b. 5 c. 10 d. 15 6) Which of the following is related to the quality of a food protein? a. Essential amino acid balance b. Nonessential amino acid balance c. Total amino acids per gram of food d. Quantity of nonessential amino acids that can be converted to glucose Proteins‐ Sample Test Questions 2 7) Which of the following is characteristic of protein nutrition in vegetarians? a. Vegetarians in general must practice complementary protein nutrition b. Most vegetarians should consume gelatin to ensure adequate tryptophan intake c. Healthy vegetarians typically consume protein sources of very high digestibility d. Most vegetarians eating a variety of foods need not balance essential amino acid intake at each meal 8) Which of the following is not a characteristic of marasmus? a. Results in a low resistance to disease b. Affects brain development only minimally c. Occurs most commonly in children aged 6 to 18 months d. Results in little or no fat under the skin to insulate against cold 9) What is the RDA for protein for a 48‐kg woman? a. 24 g b. 34 g c. 38 g d. 40 g 10) All of the following are documented benefits for people following a vegetarian diet except a. lower body weights. b. lower rates of anemia. c. lower blood cholesterol levels. d. lower rates of certain types of cancer. 11) Which of the following ingredients found on a food label is a source of protein? a. BHT b. Tofu c. Corn starch d. Diglycerides Proteins‐ Sample Test Questions ...
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- Fall '08