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Lipid classification & identification, fatty acids, and lipid structure/function relationship.
CHEM 108 SI
Session XIX – 4/5/16
SI Leader: Cassidy Sloot
Wagner Café: an invitation
Garden Salad w/ Balsamic Vinaigrette
Roasted Carrot-Ginger Soup
When: April 19th, 12-1pm
Where: Wagner Hall, room 429
**Take-outs & vegetarian option available!
Call 688-5656 or email
firstname.lastname@example.org for reservations
Final Exam Review Session
Monday, May 2nd
5-7pm @ Rot. D
Like the Facebook page for updates: SDState CHEM 108 SI
Exam 3 discussion & questions
Type of Lipid
Ester f(x) group
Glycerol + 3 fatty acids
Glycerol + phosphate + 2 fatty acids
Sphingosine + phosphate + 1 fatty acid
Cell insulation (nerve cells!)
Sphingosine + sugar + 1 fatty acid
4 fuzed rings
Membrane fluidity; cholesterol precursor
What two reactions can triglycerides undergo?
Hydrogenation & hydrolysis
Hydrogenation addition of H to unsaturated fatty acids
Hydrolysis splitting of fatty acids from glycerol using water
Where are glycolipids found in the body?
What is the difference between a cerebroside & a ganglioside?
Cerebroside monosaccharide attached
Ganglioside polysaccharide attached
What is the difference between saturated and unsaturated fatty acids?
Saturated no double bonds; solid
Unsaturated double bond(s); liquid
Identify the following about your group’s fatty acid:
Saturated or unsaturated
Monounsaturated or polyunsaturated
Think about the different types of lipids we discussed...
Are they polar or non-polar? both!
How does this affect their various functions?