Arrange the following in order from largest to smallest: (1) dipeptide (2) protein (3) amino acid (4) polypeptide
A. 3, 1, 4, 2
B. 4, 1, 2, 3
C. 2, 4, 1, 3
D. 1, 2, 3, 4
E. 2, 4, 3, 1
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Question 2) Which of the following enzymes digests protein?
A. bile
B. pepsin
C. isomaltose
D. sucrase
E. lipase
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Question 3) Arrange the following events in the correct order: (1) absorption of lipids (2) emulsification (3) micelle formation (4) digestion of lipids
A. 1, 2, 3, 4
B. 3, 4, 2, 1
C. 4, 1, 2, 3
D. 2, 4, 1, 3
E. 2, 4, 3, 1
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Question 4) Chylomicrons
A. are synthesized in intestinal epithelial cells.
B. enter capillaries in the small intestine.
C. help emulsify fats.
D. are a rich source of carbohydrate.
E. are synthesized in the lumen of the small intestines.
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Question 5) LDL's are taken into a cell by the process of
A. simple diffusion.
B. osmosis.
C. receptor mediated endocytosis.
D. HDL carrier molecules.
E. facilitated diffusion.
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Question 6) In comparison to a low-density lipoprotein (LDL), a high density lipoprotein (HDL) contains
A. less lipid.
B. less protein.
C. more cholesterol.
D. more carbohydrate.
E. more amino acids.
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Question 7) Which of the following lipoproteins contains the highest percentage of cholesterol?
A. LDL
B. HDL
C. VLDL
D. chylomicron
E. CDL
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Question 8) Serum cholesterol levels are solely dependent on a person's dietary intake of cholesterol.
Indicate whether the statement is true or false.
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Question 9) Emulsification
A. converts small lipid droplets into larger droplets.
B. occurs in the gallbladder.
C. chemically digests lipids.
D. increases surface area for lipid digestion.
E. involves enzymes.
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Question 10) If the thoracic duct were tied off, which of the following classes of nutrients would not enter the circulatory system at their normal rate?
A. amino acids
B. glucose
C. lipids
D. disaccharides
E. monosaccharides
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