whts the difference b\w photophosphorylation and oxidative phosphorylation?

Answer 1

MSK has explained it right. I will take up the question slightly differently to simplify and make it more lucid.
PHOTOPHOSPHORYLATION
Photo means light and phosophorylation means addition of phosphate bond and in this particular case, addition of phosphate to adeonsine diphosphate to make it adenosine triphosphate.This would require energy. Photons are the source of energy. This energy is harnessed by the choloroplasts. Part of this energy is used for splitting water into electrons and hydrogens(H+), and oxygen. And part of the light energy is used to make ATP form ADP and phosphate. Thus packaging of light energy into ATP is called PHOTOPHOPHORYLATION.

OXIDATIVE PHOSPHORYLATION
Oxidative phosphorylation occurs in the inner membrane of mitochondria. The purpose is the same, that is, to make ATP from ADP and phosphate. This happens when electrons and hydrogens(H+) are brought along from food by the carriers to a point. As hydrogens move down the gradient across the inner membrane, the energy is harnessed to make ATP. This is called OXIDATIVE PHOSPHORYLATION. This phosphorylation is powered by redox reactions in which the electrons from food are transferred to oxygen.
To sum up, oxidative phosphorylaton uses energy from food, and photophosphorylation uses energy of the sunlight(photons), to produce ATP.

Answer 2

Photophosphorylation Vs Oxidative Phosphorylation

Answer 3

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whts the difference b\w photophosphorylation and oxidative phosphorylation?

Answer 4

The production of ATP using the energy of sunlight is called photophosphorylation.In photophosphorylation, light energy is used to create a high-energy electron donor and a lower-energy electron acceptor. Electrons then move spontaneously from donor to acceptor through an electron transport chain.

Oxidative phosphorylation is the terminal process of cellular respiration in eukaryotes. During oxidative phosphorylation electrons are transferred from NADH or FADH2 — created in glycolysis, fatty acid metabolism and the Krebs cycle — to molecular oxygen, via a series of protein complexes located in the inner mitochondrial membrane.

Answer 5

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D the final e- acceptor in photophosphorylation is NADP+, making NADPH and H+ in oxidative, the NADPH s the e- donor and oxygen is the final e- acceptor (when it forms H2O)