Which of the following best describes the net transfer of energy that occurs during the process of cellular respiration?

1. Solar energy from the sun is converted into chemical energy that is stored in the bonds of glucose molecules.
2. Chemical energy that is stored in the bonds of glucose molecules is converted to energy stored in ATP molecules.
3. Energy stored in the bonds of ATP molecules is released by breaking off the bond with the last phosphate group during cellular respiration.
4. Thermal energy from making s'mores is converted into chemical energy in the bonds of glucose molecules.

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