Unit Seven Self-Assessment Questions.docx

Enzyme that catalyzes the hydrolysis of lactose to

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Enzyme that catalyzes the hydrolysis of lactose to galactose and glucose b. Enzyme that catalyzes the conversion to galactose to glucose c. Enzymes that catalyze the oxidation of lactose to CO 2 and H 2 O d. Taste receptors for lactose, leaving a bitter taste 5) Ordinary corn syrup a. Consists of glucose and fructose b. Consists mainly of glucose c. Is mainly sucrose, just like table sugar d. Is just the same as high-fructose corn syrup 6) Small quantities of carbohydrates are stored in liver and muscles tissue as a. Amylose b. Cellulose c. Glucose d. Glycogen 7) Humans cannot digest cellulose because they lock enzymes for the hydrolysis of a. α-amino acid linkages b. α-glucose linkages c. β -glucose linkages d. Sucrose Section Two 1) Fats are a. Mixtures of fatty acids b. Esters of glycerol and fatty acids c. Esters of cholesterol and fatty acids d. Polymers of amino acids 2) Among lipoproteins, LDLs are a. Bad because they can block arteries b. The form that carries cholesterol to the liver for processing and excretion c. The good form because they can clear arteries d. The kind increased by exercise Questions 3-5 refer to the following structures a) CH 3 (CH 2 ) 16 COOH b) CH 3 (CH 2 ) 5 CH=CH(CH 2 ) 7 COOH c) CH 3 (CH 2 ) 3 (CH 2 CH=CH) 2 (CH 2 ) 7 COOH
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Unit Seven Test on April 28, 2017 d) CH 3 (CH 2 CH=CH) 3 (CH 2 ) 7 COOH 3) Which is a monounsaturated fatty acid? B 4) Which is an omega-3 fatty acid? D 5) Which is a saturated fatty acid? A 6) The general shape of trans fatty acid molecules is similar to a. Cholesterol b. Disaccharides c. Omega-3 fatty acids d. Saturated fatty acids 7) According to most health professionals, what percentages of total calories should the total daily intake of fat and saturated fat, respectively, not exceed? a. 30, 15 b. 10, 30 c. 30, 10 d. 60, 20 Section Three 1) Gram for gram, protein foods provide the same number of kilocalories as a. Fats b. Vitamins c. Fatty acids d. Carbohydrates 2) Proteins are copolymers of a. Amino acids b. Fatty acids c. Monosaccharides d. Peptides 3) An essential amino acid is one that a. Has more calories than other amino acids b. Is needed in greater quantities than some others c. Is synthesized in the body d. Must be included in the diet 4) Which of the following foods do NOT furnish complete proteins? a. Brown rice and beans b. Eggs c. Peanuts d. Quinoa 5) The daily protein requirement for a 65-kg female is a. 0.8 g b. 52 g c. 65 g d. 100 g 6) One can get complete protein by eating whole-wheat bread with a. Butter
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Unit Seven Test on April 28, 2017 b. Jelly c. Peanut butter d. Corn chips 7) Strict vegetarian diets are often deficient in a. B vitamins and vitamin C b. Magnesium and folic acid c. Vitamin B 12 and iron d. Vitamin B 12 and folic acid Section Four 1) About what percentage of our body weight is minerals? a. 1% b. 4% c. 10% d. 20% 2) Vitamins are a. A class of compounds with an amine group in the structure b. Most effective when taken as supplements c. Specific organic compounds required in the diet to prevent diseases d. Vital (essential) amines 3) A deficiency of iodine may be remedied by a.
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