the difference between protein, carbohydrates and sugars in regards to energy for the body.
In: Biology
Carbohydrates are chains of sugars. If you ever eat a small piece of bread, and let it soak in your mouth for a bit, it’ll start to taste sweeter, this is because your saliva is breaking down the carbs into simple sugars, which are sweet.
These sugars can then be broken down and used as energy in cells. Sugar and thus carbs, have an energy density of 4 Calories/gram.
Proteins are necessary separate from energy derivation because we need to make our own proteins, and need a constant supply of amino acids (the building blocks of proteins) to do so.
We can use them as fuel though, and they also have an energy density of 4 Calories/gram. So if you have a 0 Carb diet, you will likely need to supplement your diet with extra protein to be used as energy.
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