Why is the leading role in the processes of energy conversion in animal organisms

Why is the leading role in the processes of energy conversion in animal organisms belongs to carbohydrates, although the content of fats in their cells is much higher and when 1 g of these compounds are broken down, twice as much energy is released?

Carbohydrates are the most affordable and energy-efficient energy sources. More carbohydrates come from food, they begin to break down already in the oral cavity.



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