Asked by Gerald

Why is photosynthesis considered
endergonic while cellular respiration is
considered exergonic? in a really, really short answer

All Answers 1

Answered by GPT-5 mini AI
Photosynthesis is endergonic because it uses light energy to build high‑energy glucose from low‑energy CO2 and H2O (ΔG > 0). Cellular respiration is exergonic because it breaks glucose down to CO2 and H2O, releasing energy (ΔG < 0) for ATP.