1. Which of the following is a structural component of a triacylglycerol? a. fatty acids b. glycerol c. both a and b d. neither a nor b 2. Which is TRUE regarding fatty acids? a. It contains a polar hydrocarbon chain. b. It is a component of oils and fats. c. both a and b d. neither a nor b 3. What happens in the stomach during lipid digestion? a. formation of micelles b. hydrolysis of lipids by salivary lipase c. both a and b d. neither a nor b
1. Which of the following is a structural component of a triacylglycerol? a. fatty acids b. glycerol c. both a and b d. neither a nor b 2. Which is TRUE regarding fatty acids? a. It contains a polar hydrocarbon chain. b. It is a component of oils and fats. c. both a and b d. neither a nor b 3. What happens in the stomach during lipid digestion? a. formation of micelles b. hydrolysis of lipids by salivary lipase c. both a and b d. neither a nor b
Chapter4: Lipids
Section: Chapter Questions
Problem 3SC
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1. Which of the following is a structural component of a triacylglycerol?
a. fatty acids
b. glycerol
c. both a and b
d. neither a nor b
2. Which is TRUE regarding fatty acids?
a. It contains a polar hydrocarbon chain.
b. It is a component of oils and fats.
c. both a and b
d. neither a nor b
3. What happens in the stomach during lipid digestion?
a. formation of micelles
b. hydrolysis of lipids by salivary lipase
c. both a and b
d. neither a nor b
4. Which process does NOT happen in the small intestine during lipid digestion?
a. secretion of bile salts
b. formation of micelles
c. absorption of long-chain fatty acids by the enterocytes
d. a, b, and c are the correct answer.
5. Which of the following describes the enzymatic activity of pancreatic lipase?
a. It hydrolyzes the bond between the fatty acids and glycerol.
b. It emulsifies the lipid droplet into smaller globules.
c. both a and b
d. neither a nor b
6. What is the correct sequence of events during lipid digestion?
I. formation of chylomicrons
II. gastric lipase hydrolysis
Ill. secretion of bile salts
IV. formation of micelles
V. pancreatic lipase hydrolysis
a. III, II, IV, V, I
b. IV, III, II, I, V
c. II, III, V, IV, I
d. None of the options above is correct.
7. Which of the following is NOT a component of chylomicrons?
a. triacy|glycerol
b. phospholipids
c. both a and b
d. neither a nor b
8. What enzyme hydrolyzes the free fatty acids in the bloodstream?
a. pancreatic lipase
b. gastric lipase
c. lipoprotein lipase
d. None of the options above is correct.
9. What is the main component of adipose tissues?
a. lipid droplets
b. milk
c. both a and b
d. neither a nor b
10. What happens to glycerol in the bloodstream after lipid digestion?
a. It is converted into glycogen.
b. It is oxidized by lipoprotein lipase.
c. both a and b
d. neither a nor b
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