Question 1 Long chain polymers of monosaccharides are: Choose one answer. a. polysaccharides b. monosaccharides c. disaccharides d. none of the above Correct Marks for this submission: 1/1. Question 2 The commercial form of rennin, rennet, is used to make what? Choose one answer. a. butter b. margarine c. cheese d. skim milk Correct Marks for this submission: 1/1. Question 3 Protein that is hard to digest in the rumen is referred to as: Choose one answer. a. "by pass" protein b. soluble protein c. denatured protein d. peptide protein Incorrect Marks for this submission: 0/1. Question 4 Proteins are digested by: Choose one answer. a. hydrolysis b. denaturization c. enzymatic digestion d. all of the above Correct Marks for this submission: 1/1. Question 5 An endopeptidase specific for aromatic or dicarboxylic amino acid residues is: Choose one answer. a. trypsin b. pepsin c. hydrochloric acid d. none of the above Incorrect Marks for this submission: 0/1. Question 6 TSE diseases may be transmitted by prions entering the body through the digestive tract through which cell type? Choose one answer. a. beta cells b. L cells c. D cells d. M cells Correct Marks for this submission: 1/1. Question 7 The metabolic cycle by which temporary increases in blood glucose result in the mobilization of fatty acids and a concomitant sparing of glucose for use as an energy sources is know as the: Choose one answer. a. Krebs cycle b. glycolysis c. Randle cycle d. TCA cycle Correct Marks for this submission: 1/1. Question 8 Chitinase can be found in the gastric mucosa of some reptiles: Answer: True False Correct Marks for this submission: 1/1. Question 9 Which cells in the pancreas synthesize and secrete glucagon? Choose one answer. a. alphab. omega c. beta d. micron Correct Marks for this submission: 1/1. Question 10 Complimentary proteins are: Choose one answer. a. those with different limiting amino acids but contain, in abundance, the limiting amino acid of the other. When consumed together they contain required amounts of all amino acids. b. those with the same limiting amino acids. c. those with different limiting amino acids d. none of the answers are correct Correct Marks for this submission: 1/1. Question 11 Curd formation in the abomasums of calves has the net result of: Choose one answer. a. increasing satiety b. increasing the transit time of milk in the abomasum c. decreasing the transit time of milk in the abomasum d. increasing satiety and increasing the transit time of milk in the abomasums Incorrect Marks for this submission: 0/1. Question 12 ____ fiber dissolves and thickens in water often forming a gel or colloid. Choose one answer. a. Partially Soluble b. Non-soluble c. Soluble d. b and c Correct Marks for this submission: 1/1. Question 13 Camels can drink up to ______ liters of water in 10 minutes: Choose one answer. a. 10 b. 280 c. 100 d. 15 Correct Marks for this submission: 1/1. Question 14 An isolated red-blood cell placed into isotonic solution will: Choose one answer. a. shrink b. burst c. show no change in size d. all of the answers are correct Correct Marks for this submission: 1/1. Question 15 Which of the following produces a lignase? Choose one answer. a. humans b. dogs c. White-Rot fungi d. cats Correct Marks for this submission: 1/1. Question 16 Which is an example of a protein with an alpha helix structure: Choose one answer. a. casein b. keratin c. bone d. nails Correct Marks for this submission: 1/1. Question 17Which bond links amino acids together into the polymers known as proteins? Choose one answer. a. glycosidic b. hydrolytic c. zwitterion d. peptide Correct Marks for this submission: 1/1. Question 18 Which of the following proteins attach to other proteins to facilitate normal protein degradation within the cell? Choose one answer. a. prion b. albumin c. secretin d. ubiquitin Correct Marks for this submission: 1/1. Question 19 The typical cell contains 80-90% protein by volume. Answer: True False Correct Marks for this submission: 1/1. Question 20 Excess nitrogen is excreted in fish in the form of: Choose one answer. a. N2 b. urea c. uric acid d. ammonia Incorrect Marks for this submission: 0/1. Question 21 Which of the following organs contains the greatest pool of glycogen? Choose one answer. a. liver b. heart c. brain d. muscle Incorrect Marks for this submission: 0/1. Question 22 In an amino acid, the zwitterion is composed of: Choose one answer. a. a sulfhydryl group and an amino group b. a carboxyl group and an amino group c. a amino group and a hydroxyl group d. a carboxyl group and a hydroxyl group Correct Marks for this submission: 1/1. Question 23 There is an inverse relationship between water consumption and: Choose one answer. a. coronary heart disease b. colon cancer c. coronary heart disease plus colon cancer d. type I diabetes Correct Marks for this submission: 1/1. Question 24 What is the relationship between nutrient fermentability and ruminal VFA concentration? Choose one answer. a. negative correlation b. positive correlation c. no correlation d. none of the answers are correct Correct Marks for this submission: 1/1. Question 25 Enterokinase activates trypsinogen by: Choose one answer. a. cleaving a hexapeptide from the carboxy terminal end b. cleaving a hexapeptide from the amino terminal endc. cleaving trypsinogen within the amino acid chain d. cleaving arginine from the amino terminal end Incorrect Marks for this submission: 0/1. Question 26 An amino acid that is NOT essential is: Choose one answer. a. Arginine b. Cysteine c. Lysine d. Tryptophan Correct Marks for this submission: 1/1. Question 27 Besides the brain, which other organ(s), require glucose for their major source of energy? Choose one answer. a. red blood cells b. muscle and liver c. heart d. all the answers are correct Incorrect Marks for this submission: 0/1. Question 28 In a PET scan of a human brain, the areas that are the most actively metabolizing glucose can be depicted as having an intense red/orange/yellow color: Answer: