CHEM 210 Biochemistry Module 5 Exam | Questions and Verified Answers | Latest 2025/2026 Guide | Portage Learning

CHEM 210 Biochemistry Module 5 Exam

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Glycerol contains how many carbon atoms?
-3
-4
-5
- 15
- correct answer -- 3


Which of the following are derived from or made from fatty acids?
- a. Cholesterol
- b. Carotenoids
- c. Phosphoglycerides
- Both A and B

,- Both A and C
- correct answer -- Phosphoglycerides


Triacylglycerols are made from a and .
- glycerol; cholesterol Correct!
- glycerol; three fatty acids
- ceramide; three fatty acids
- ceramide; three cholesterols
- carotenoid; two cholesterols
- correct answer -- glycerol; three fatty acids


PUFA
- correct answer -polyunsaturated fatty acid - 2 or more double bonds


A is a carboxylic acid that is a structural component of lipids.
- Amino acid
- Carotenoid
- Sphingolipid
- cholesterol
- None of the above
- correct answer -
- None of the above


A particular lipid is a liquid at room temperature, so it is called a(n) .
- Oil
- Fat
- Lipid
- Membrane
- Sphingolipid
- correct answer -- Oil

, are a class of membrane proteins that are loosely associated with the
membrane bilayer.
- Transmembrane protein
- Integral protein
- Channel protein
- Transport protein
- Peripheral protein
- correct answer -- Peripheral protein


Isoprene units are used to make all of the following except .
a. Fatty acids
b. Carotenoid molecules
c. Sphingolipids
d. Both B and C E. All of the above
- correct answer -
a. Fatty acids


Which notation is for a fatty acid with one double bond?
A) 18:1( Θ 12)
B) 1:18
( C) 1:12
( D) 2:18
( E) 12:1(7,9)
- correct answer -A) 18:1( Θ 12)

Which notation indicates a 14-carbon omega-3 fatty acid that contains no other double
bonds?
A) 14:1 Θ 11)
( B) 17:1 Θ 14)
( C) 14:1 Θ3)
( D) 13:1(Θ11)