Answer :
To move H+ from the stroma to the thylakoid compartment and create a gradient in H+ concentration, photophosphorylation uses the energy from electron flow.
Through the utilization of electrons moving through an electron transport chain, light energy is used to pump protons across a biological membrane in the process of photophosphorylation. In a proton gradient, this stores energy. An enzyme known as ATP synthase is passed by as the protons return.
Both aerobic and anaerobic circumstances can result in cyclic photophosphorylation. Photosystem I and chlorophyll P700 are used in the process, which occurs often in the thylakoid membrane. The stroma lamellae, often referred to as fret channels, are where it takes place.
The energy used in oxidative phosphorylation comes from the electrons created when biological molecules are oxidized.
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