Title: BC10M: Introductory Biochemistry 2006 Semester 2.
1BC10M Introductory Biochemistry 2006 Semester 2.
- Friday 10 March.
- Lecture 20
- Lipids
- Andrew Pearson
2Lipid function table
Function Examples Where found
Basic unit Fluidity enhancer Saturated fatty acid Unsaturated fatty acid Widespread Biomembranes
Storage of energy Triacylglycerols Fat droplet
Solubility barrier Phosphoglyceride Sphingolipids Biomembranes Biomembranes
Surface protection Waxes Skin, leaves, insect cuticle, honey comb
Hormone Steroid Eukaryots
Fluidity reducer Cholesterol Animal biomembranes
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4From Brock
5cis double bonds between carbons 9 10
From Lehninger
6Triacylglycerols a.k.a. triglycerides
From Brock
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8From Brock
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10From Lehninger
11From Brock
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13Asymmetry in biomembrane composition
PC ?choline PE ?ethanolamine PS ?serine PI
?inositol SP sphingolipid
From Matthews van Holde
14From Voet Voet
15From Matthews van Holde
16From Koolman Rohm
17Different models of cholesterol
From Matthews van Holde
18Sterols not drawn to scale!
From Lehninger
19A confusing name!
From Brock
20From Brock
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