You need some kind of metric that captures the effect of a reaction on the entropy of the universe, including both the reaction system and its surroundings. Conveniently, both of these factors are rolled into one convenient value
The pyramid shape of tropical level comes from the loss of energy at every step
The Energy-Requiring Steps of Glycolysis. In the first half of glycolysis, energy in the form of two ATP molecules is required to transform glucose into two three-carbon molecules.
Answer:
They travel back to the thylakoid to be recycled in the light-dependent reaction.
Explanation: