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11 Cards in this Set
- Front
- Back
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Sphingolipids
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Compound lipids
Contain an amino alcohol, sphingosine instead of glycerol Includes sphingomyelin which contains phosphatidyl choline as its polar group also includes ceramide, which lacks the phophatidyl choline molecule |
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Ceramide
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Is a sphingolipid
Lacks phosphatidyl choline Important lipid of cell membranes Oligosaccharides attach to ceramide or glycerides and are then known as glycolipids |
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Membranes
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Bimolecular layer of lipids arranged so that the polar portions are the outer and inner surface and the hydrophobic portions of the molecule are in themiddle
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Derived Lipids
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Derived lipids include:
Steroids Lipid soluble vitamins Carotenoid compounds |
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Steroids
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The steroid nucleus is cholesterol
All steroids in mammals synthesize into larger compounds called Squalene Squalene is a linear C30 hydrocarbon - forms 4 rings which is the steroid nucleus cholesterol |
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Lipid soluble Vitamins
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Vitamins A, D, E, and K
Vitamin A - derived from beta carotene (a carotenoid) Vitamin D - Cholecalciferol Vitamin E - Alpha tocopherol Vitmain K - needed for coagulation (blood clotting) |
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Carotenoid Compounds
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Beta Carotene
Vitmain A is derived from this |
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Proteins
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Extremely complex structure
Amino acids are the building blocks (monomers) Many amino acids form oligopeptides (polymers) and oligopeptides form proteins |
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Simple proteins
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Yield amino acids when broken down
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Conjugated proteins
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Yield amino acids and non-protein compounds when broken down
Ex: hemoglobin, immunoglobulin |
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Derived Proteins
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Proteins made in an inactive state and become activated as a result of a triggering device
Typically these proteins contain the prefix pro or the suffix ogen in their name |
