1. glycerol contains how many carbon atoms?: 3
2. fatty acids contain how many carbons?: 8-30
3. which of the following are derived from or made from fatty acids?
a. cholesterol
b. carotenoids
c. phosphoglycerides
d. A and B
e. A and C: c. phosphoglycerides
4. what lipids are derived from fatty acids?: phosphoglycerides
sphingolipids
triacylglycerols
5. triacylglycerols are made from a and .: glycerol; 3 fatty acids
6. phosphoglycerides are made from a and .: glycerol; 2 fatty acids
7. sphingolipids are made from a and .: ceramide; 2 fatty acids
8. isoprene are made from .: 5 carbons, with a branch and a double branch
9. what is a PUFA?: polyunsaturated fatty acid = contains 2 or more double bonds
10. a is a carboxylic acid that is a structural component of lipids.
a. amino acid
b. carotenoid
c. sphingolipid
d. cholesterol
e. none of the above: e. none of the above
11. a particular lipid is a liquid at room temperature, so it is called a(n) .
a. oil
b. fat
c. lipid
d. membrane
e. sphingolipid: a. oil
12. a particular lipid is a solid at room temperature, so it is called a(n) .
a. oil
b. fat
c. lipid
d. membrane
e. sphingolipid: b. fat
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, Biochem Module 5 Exam With Answers
13. are a class of membrane proteins that are loosely associated with the
membrane bilayer.
a. transmembrane protein
b. integral protein
c. channel protein
d. transport protein
e. peripheral protein: e. peripheral protein
14. are a class of membrane proteins that are not easily removed from the
membrane bilayer.
a. transmembrane protein
b. integral protein
c. channel protein
d. transport protein
e. peripheral protein: b. integral protein
15. isoprene units are used to make all of the following except .
a. fatty acids
b. carotenoid molecules
c. sphingolipids
d. B and C
e. all of the above: a. fatty acids
16. isoprene units are used to make .: carotenoids, vitamin K, cholesterol, and
lipids
17. which notation is for a fatty acid with one double bond?
a. 18:1 (”12)
b. 1:18
c. 1:12
d. 2:18
e. 12:1 (”7,9:)a. 18:1 (”12)
18. which notation indicates a 14-carbon omega-3 fatty acid that contains no
other double bonds?
a. 14:1 (”11)
b. 17:1 (”14)
c. 14:1 (”3)
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