front 1 What type of reaction is required to bind 2 molecules of glycine together & release a molecule of water? | back 1 Condensation |
front 2 What is the Daily Value for protein based on 2000-kcalorie intake? | back 2 50g |
front 3 What is an oligopeptide? | back 3 A string of about 4-9 amino acids |
front 4 All of the following are fates of amino acids in the intestinal tract except | back 4 some may be used for synthesis of gastric protease. |
front 5 What is meant by the amino acid sequence of a protein? | back 5 Order of amino acids in the peptide chain |
front 6 A reference protein equals or exceeds the essential amino acid requirements of all of the following population groups except | back 6 infants |
front 7 After digestion of proteins, what products are absorbed into the circulation? | back 7 Free amino acids, and a few dipeptides & tripeptides |
front 8 Which of the following would you not expect to see in a person with kwashiorkor? | back 8 Increased physical activity |
front 9 Jim, a college baseball player, tells you that he has started to take glutamine supplements. How would you advise him? | back 9 Since single amino acids do not occur naturally in foods, they offer no benefit to the body & may even be harmful |
front 10 Which of the following is a consequence of excess protein intake? | back 10 Increased production & excretion of urea |
front 11 What amino acid has been linked to the development of the rare blood disorder eosinophilia myalgia in people who took it as a supplement? | back 11 Tryptophan |
front 12 In the metabolism of amino acids for energy, what is the fate of the amino group? | back 12 Excreted as urea |
front 13 What protein is intimately involved in the formation of scar tissue in wound healing? | back 13 Collagen |
front 14 Which of the following may be used to determine protein utilization? | back 14 Nitrogen balance |
front 15 Terms used to classify amino acids in the diet include all of the following except | back 15 partially essential. |
front 16 What is the percent digestibility of most animal proteins? | back 16 90-99 |
front 17 What is the process by which heat or acidity disrupts the normal shape of a protein chain? | back 17 Denaturation |
front 18 What is meant by protein turnover? | back 18 The synthesis & degradation of body proteins |
front 19 In the study of protein nutrition, what term describes the amount of amino acids absorbed from a given amount of protein consumed? | back 19 Digestibility |
front 20 What is the structure of an enzyme? | back 20 Protein |
front 21 What is the percentage of total energy derived from protein in a diet containing 50 grams of protein & 2000 kcalories? | back 21 10 |
front 22 Which of the following is the most likely side effect of high-protein, low-carbohydrate diet? | back 22 Increased thirst |
front 23 Protein-hydrollyzing enzymes are commonly known as | back 23 proteases. |
front 24 How do sodium & potassium travel into & out of cells? | back 24 There are transport proteins within the cell membrane that pick up & release the minerals across the membran |
front 25 Which of the following is a feature of protein nutrition? | back 25 The protein RDA assumes that dietary protein is from a mix of low- and high- quality sources |
front 26 What is the most likely reason for a person to have abnormally high blood ammonia levels? | back 26 Liver dysfunction |
front 27 Which of the following describes a relationship between protein/amino acids & heart disease? | back 27 Elevated blood homocysteine levels are associated w/smoking cigarettes & drinking alcohol |
front 28 Which of the following processes is regulated primarily by the buffering action of proteins? | back 28 pH balance |
front 29 The conditions known as acidosis & alkalosis refer to a disruption of the body's | back 29 pH balance. |
front 30 In kwashiorkor, what mineral is often present in an unbound form that promotes bacterial growth? | back 30 Iron |
front 31 In general, the protein quality of legumes would be most improved by the addition of a plant protein rich in | back 31 methionine. |
front 32 What type of protein would the body make in order to heal wound? | back 32 Collagen |
front 33 The disease phenylketonuria is related chiefly to abnormal metabolism of | back 33 a certain amino acid. |
front 34 Which of the following defines protein turnover? | back 34 The sum of protein synthesis & degradation |
front 35 Which of the following is involved in the clotting of blood? | back 35 Fibrin |
front 36 What is the usual initial therapy for the treatment of kwashiorkor? | back 36 Fluid balance restoration |
front 37 The study of how food interacts with genes is known as | back 37 nutritional genomics |
front 38 If protein needs are expressed per kilogram of body weight, which of the following describes the requirements of infants? | back 38 Greater than adults |
front 39 All of the following assumptions are made by the committee in setting the RDA for protein except | back 39 the fat content of the diet will be high. |
front 40 A dispensable amino acid is one that | back 40 can be synthesized by the body. |