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The energy stored in the bonds of any fat based molecule, or lipid, is greater than that of a carbohydrate molecule. Simple carbs are easily broken down for quick bursts of energy, while complex carbs take longer to break down. Fats on the other hand, are all more difficult to digest because of the size of their molecules and the complexity of their structure. Fats are also stored more rapidly; they are the body's emergancy power source.

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15y ago
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13y ago

Your body looks to simple carbs for energy first, then more complex carbs. It then gets energy from fat, and finally protein (the bodies of people suffering from anorexia or malnutrition will break down the muscles in order to get energy from proteins).

If two people were on a stranded island and could only eat either carbs or fats, and one dude ate all carbs and the other ate all fats, the guy eating all fats would have a way better chance at living longer, considering they were both in the same state of health, because fats are more complex organic carbon chains, and take longer to break down.

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12y ago

It's not. Carbs are much better. That's why marathon runners load up on pasta prior to the run.

A no carb diet switches your body from burning carbs that are in just about everything to fat. Look up low carb diets for further detail.

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12y ago

Fat is a organic energy reserve.

Fatty acids have significant van der Waal's force between them. (as a result they form triglycerides with relatively high melting points that are solids at room temperature)

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11y ago

Yes, gram for gram fat provides approximately twice as much energy as carbohydrates.

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9y ago

Fats have higher energy values than carbohydrates due to the different structures that both of them have. Fats burn and make more C-O bonds than carbohydrates.

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9y ago

Lipids contain less oxygen compared to carbohydrates and they hence have higher energy values.

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Q: Why does fat produce more energy than carbohydrates?
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