Why are cells are able to harvest about 34% of the available stored potential energy in a glucose molecule? What happens to the other 66%?

Why are cells are able to harvest about 34% of the available stored potential energy in a glucose molecule is because of  the process of cellular respiration. And what happens to the other 66% is that it's  used to make water from hydrogen ions and oxygen that converted to heat and used directly for energy to store as fat

Explanation:

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