Assertion: photosynthesis | /r/Desires | 686 kcal of energy
Facets:
value: to boost the electrons
type: PURPOSE
Source sentences:
text: In respiration the energy yield is 686 kcal per mole of glucose oxidized to CO 2 , while photosynthesis requires 686 kcal of energy to boost the electrons from the water to their high-energy perches in the reduced sugar -- light provides this energy.