Term
What are the fat soluble vitamins? |
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Definition
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Term
What do lipids serve as precursors for? |
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Definition
| Steroid hormones, vitamins, prostaglandins, and bile acids |
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Term
| What type of lipids are in the cell membrane? |
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Definition
| phospholipids and sphingolipids |
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Term
| What are four functions of lipids? |
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Definition
1. Structural
2. Signal transduction (intracellular messaging), secretion and cytoskeletal rearrangement
3. Thermal insulation and padding
4. Precursor to steroid hormones, vitamins, bile acids, and prostaglandins |
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Term
| Can lipids be broken down anaerobically? |
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Definition
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Term
| How much less water storage do lipids use than carbohydrates? |
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Definition
| 2 g less than the equivalent carbohydrate |
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Term
| What is the dominant characteristic in lipid amphipathicity? |
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Definition
| hydrophobic characterisitic is dominant while the hydrophilic characteristic is a minor characteristic |
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Term
| What is the hydrolysis of triglycerol to glycerol and freeing of fatty acids via lipase enzyme? |
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Definition
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Term
| What is the mitochondrial oxidation of fatty acids? |
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Definition
| Beta oxidation. Note Beta oxidation does not happen in the red blood cell |
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Term
| What is the synthesis of ketone bodies? |
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Definition
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Term
| What is the synthesis of fatty acids? |
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Definition
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Term
| What is the attachment of fatty acids to glycerol to form acylglycerol? |
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Definition
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Term
What types of fatty acids are soluble in water?
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Definition
| short to medium chain fatty acids are partially soluble in water. Long chain fatty acids are insoluble and ust be transported with plasma proteins |
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