Concept #1: Sphingolipid Recap
Concept #2: Reviewing Classes of Sphingolipids
Practice: Which of the following is TRUE of sphingolipids?
A) They always contain glycerol and fatty acids.
B) They may be charged, but are never amphipathic.
C) Phosphatidylcholine is a typical sphingolipid.
D) They contain only one esterified variable fatty acid.
E) Cerebrosides, globosides and gangliosides are sphingolipids.
Example #1: Appropriately match each of the following six lipid molecules with one of the listed types of lipids:
Practice: Match the following lipid types with the correct description.
A) Fatty acid. _____ 1. Membrane lipids with a glycerol backbone.
B) Triacylglycerol. _____ 2. Phospholipid especially common in nerve cells.
C) Phospholipid. _____ 3. One of the simplest forms of a glycolipid.
D) Sphingosine. _____ 4. Lipids covalently attached to carbohydrate groups.
E) Glycerophospholipid. _____ 5. Chains of hydrogen-bearing carbon atoms with a carboxylic acid.
F) Sphingomyelin. _____ 6. Complex glycolipids with a sialic acid residue.
G) Glycolipid. _____ 7. A complex amino alcohol backbone for membrane lipids.
H) Cerebroside. _____ 8. Major class of membrane lipids.
I) Ganglioside. _____ 9. Long-term storage form of fatty acids.
