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Lipids are made up of the elements carbon, hydrogen and oxygen but in different
proportions to carbohydrates. The most common type of lipid is the triglyceride.
Lipids can exist as fats, oils and waxes. Fats and oils are very similar in structure
At room temperature, fats are solids…

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yield more energy than the same mass of carbohydrate.

3. Production of metabolic water - some water is produced as a final result of respiration.

4. Thermal insulation - fat conducts heat very slowly so having a layer under the skin
keeps metabolic heat in.

5. Electrical insulation - the…


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