Roles of lipids
- Created by: avbuck
- Created on: 06-01-14 16:57
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- Roles of Lipids
- Energy reserves in plants and animals.
- Contain more C-H bonds than carbohydrates so yield twice as much energy as the same mass of carbohydrate.
- Insulator against heat loss.
- When stored under the skin.
- Protection
- Fat surrounds internal organs such as kidneys and the heart
- Waterproofing
- Fats are insoluble in water.
- Important in organisms like insects where the waxy cuticle cuts down water loss. The same on leaves to reduce transpiration
- Metabolic water
- Triglycerides produce metabolic water when oxidised.
- Important in desert animals such as the kangaroo rat which survives off metabolic water from its fat intake.
- Energy reserves in plants and animals.
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