TEST BANK CHEM 30B. REVISION QUESTIONS
WITH A+ GRADE ANSWERS PROVIDED. FALL
2024 UPDATE STUDY MATERIAL
1. Which is not an example of a lipid?
A) phenol
B) triacylglycerol
C) cholesterol
D) vitamin E
E) steroids: A) phenol
2. Which is a hydrolyzable lipid?
A) A triacylglycerol
B) A steroid
C) An eicosanoid
D) A fat -soluble vitamin
E) None of the examples are hydrolyzable lipids.: A) A
triacylglycerol
3. Which is a nonhydrolyzable lipid?
A) a triacylglycerol
B) a wax
C) an eicosanoid
D) a phospholipid
E) None of the examples are nonhydrolyzable lipids.: C) an
eicosanoid
4. What functional group is contained in most hydrolyzable
lipids?
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,A) amide
B) ether
C) ester
D) carboxylic acid
E) alkene: C) ester
5. The structure of lipids is
A) dominated by ionic regions
B) dominated by hydrophilic regions
C) dominated by hydrophobic regions
D) equally dominated by hydrophilic and hydrophobic regions
E) dominated by the polar functional group: C) dominated by
hydrophobic regions
6. Which compound has the highest melting point?
7. Which compound has the lowest melting point?
8. Waxes are formed from the reaction between which two types
of compounds?
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, TEST BANK CHEM 30B. REVISION QUESTIONS
WITH A+ GRADE ANSWERS PROVIDED. FALL
2024 UPDATE STUDY MATERIAL
A) a fatty acid and an amide
B) a high molecular weight alcohol and an ester
C) a fatty acid and a high molecular weight alcohol
D) an ester and a fatty acid
E) a fatty acid and a water molecule: C) a fatty acid and a high
molecular weight alcohol
9. Hydrolysis of triacylglycerols in the body occurs with
the aid of which reagent? A) enzymes
B) bases
C) oxidizing agents
D) sulfuric acid E) esters: A) enzymes
10. Complete metabolism of a triacylglycerol yields which of the
following?
A) glycerol, fatty acids, and a great deal of energy
B) fatty acids and a great deal of energy
C) fatty acids, H20, and a great deal of energy
D) C02, H20, and a great deal of energy
E) glycerol, H20, and a great deal of energy: D) C02, H20, and a
great deal of
1 1 . Which structural feature is not found in sphingomyelins?
A) an amide bond
B) a glycerol backbone
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, C) a phosphodiester
D) an alcohol
E) a single fatty acid: B) a glycerol backbone
12. What process is used to move large polar molecules and
ions, such as CI- and HC03 - , through a cell membrane,
traveling from the side of higher concentration to the side of
lower concentration?
A) facilitated transport
B) simple diffusion
C) active transport
D) effusion
E) channel transport: A) facilitated transport
13. Which statement is not true?
A) Cholesterol is the most prominent member of the steroid
family.
B) Cholesterol is insoluble in the aqueous medium of the blood.
C) Cholesterol serves as the starting material for the synthesis of
all other steroids.
D) Cholesterol is a vital component for healthy cell membranes.
E) Cholesterol cannot be synthesized in the body, and therefore is
required in the diet.: E) Cholesterol cannot be synthesized in the
body, and therefore is required in the diet.
14. Which is not a fat-soluble vitamin?
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