Biochem Module 5

Biochem Module 5 questions with answers




1. Glycerol contains how many carbon atoms?: 3
2. Fatty acids tails contain how many carbons?: 8 to 30
3. Which of the following are derived from or made from fatty
acids?

- Cholesterol
- Carotenoids
- Phosphoglycerides
- Both A and B
- Both A and C: Phosphoglycerides
4. What lipids are derived from fatty acids?: Phosphoglycerides, sphinolipids,
triacyglycerols
5. Triacylglycerols are made from
and .: glycerol; three fatty acids
6. Phosphglyerides are made fro
a and .: glycerol; two fatty acids
7. Sphingolipids are made from a
and .: cermaide; 2 fatty acids
8. Isoprene are made from .: 5 carbons, with a
branch and a double bond
9. Define: PUFA: polyunsaturated fatty acid; 2 or more double bonds
10. An is a carboxylic acid that is a structural component
of lipids: Acyl or ester group
11. A
particular lipid is a liquid at room temperature, so it is called a(n)
.-
: Oil
12. A
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, particular lipid is a solid at room temperature, so it is called a(n) .: Fa
13. are a class of membrane proteins that are loosely
associated with the membrane bilayer.: Peripheral protein
14. are a class of membrane proteins that are not easily
removed with the membrane bilayer.: Integral protein
15. Isopre
ne 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: Fatty acids
16. Isoprene units are used to make.:
Carotenoids, vitamin K, cholestrol, and lipids




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