glycerol contains how many alcohol functional groups? C. 3
A. 1
B. 2
C. 3
D. 4
E. none of the above
which of the following are derived from or made from fatty C. phosphoglycerides
acids?
A. cholesterol
B. carotenoids
C. phosphoglycerides
D. both A and B
E. both A and C
triacylglycerols are made from: C. a glycerol backbone and three fatty acids
A. a glycerol backbone
B. three fatty acids
C. amide linkages between fatty acids
D. a glycerol backbone and three fatty acids
E. all of the above
a ____ is a carboxylic acid that is a structural component E. none of the above
of lipids
A. amino acid
B. carotenoid
C. sphingolipid
D. cholesterol
E. none of the above
a particular lipid is a liquid at room temperature, so it is A. oil
called a(n)______
A. oil
B. fat
C. lipid
D. membrane
E. sphingolipid
______ are a class of membrane proteins that are firmly B. integral protein
associated with the membrane bilayer
A. peripheral protein
B. integral protein
C. channel protein
D. transport protein
E. inner transmembrane protein
isoprene units are used to make______ E. all of the above
A. cholesterol
B. carotenoid molecules
C. vitamin K
D. both A and C
E. all of the above
which notation is for a fatty acid with two double bonds? B. 18:2(delta9,13)
A. 18:1(delta9,13)
B. 18:2(delta9,13)
C. 14:1(delta9,13)
D. 2:18(delta9,13)
E. 14:1:2(delta9,13)
which notation indicates a 20-carbon omega-3 fatty acid C. 20:1(delta17)
that contains no other double bonds?
A. 20:1(delta11)
B. 20:1(delta18)
C. 20:1(delta17)
D. 20:1(delta3)
E. 20:3(delta3omega)
2026-2027 | Stuvia Edition
, CHEM 210 Exam 5 - Biochemistry | Exam Questions & Verified Answers
______ is used as the backbone molecule in the formation D. glycerol
of storage fats
A. ceramide
B. glucose
C. sphingolipid
D. glycerol
E. phosphoglycerol
which time of membrane lipids determine the blood type of E. sphingolipids
humans?
A. triacylglycerols
B. phosphoglycerides
C. cholesterol
D. fatty acids
E. sphingolipids
sphingolipids are found in high concentrations in the B. myelin sheaths
membranes of_____
A. organelles
B. myelin sheaths
C. all cells
D. heart cells
E. vitamin K lipids
in a sphingolipid, the fatty acids are attached at carbon-2 A. amide linkage
by this type of linkage
A. amide linkage
B. an ether linkage
C. an alcohol linkage
D. a peptide linkage
E. alkyl linkage
membrane proteins: E. all are correct
A. are sometimes peripheral
B. are sometimes integrals
C. assist in the transport of molecules
D. can get nutrients in and the waste molecule out of the
cell
E. all are correct
peripheral membrane proteins: D. are associated with the inside or outside of the membrane
A. go all the way through the membrane and are firmly
attached to the membrane
B. are firmly attached to the membrane
C. are lipids that can be either on the top of the cell or
bottom of the cell
D. are associated with the inside or outside of the
membrane
E. none of the above
which statement best describes a general feature of A. individual lipid molecules are free to move in the membrane
membranes?
A. individual lipid molecules are free to move in the
membrane
B. the interior of the lipid bilayer is very polar
C. the membrane breaks easily
D. the polar heads face inward
E. the membrane is rigid
which vitamin is critical for blood coagulation? E. vitamin K
A. vitamin A
B. vitamin B
C. vitamin C
D. vitamin D
E. vitamin K
2026-2027 | Stuvia Edition