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Which of these molecules would provide the most energy (kcal/g) when eaten? protein, glycogen, starch or...

Which of these molecules would provide the most energy (kcal/g) when eaten?

protein, glycogen, starch or fat?

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Answer #1

Fats provide more energy than the proteins and carbohydrate.It contain 9kcal/g energy.Proteins contain 4kcal/gm energy. The protein is not usually used for energy however the body is not getting enough calories from the fat ,then protein is used as a enery source.

The extra starch or fat is stored in the liver as a glycogen..glycogen is the multibranched chain of glucose...who function as a energy reserve.

starch or fat provide the most energy than others......about 9kacal/gm.....

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