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The chemiosmotic coupling hypothesis of oxidative phosphorylation proposes that Adenosine Triphosphate (ATP) is formed because
high energy bonds are formed in mitochondrial proteins
ADP is pumped out of the matrix into the intermembrane space
a proton gradient forms across the inner membrane
there is a change in the permeability of the inner mitochondrial membrane toward Adenosine Diphosphate (ADP)
Answers (1)
The production of ATP with the help of energy liberated during oxidation of reduced coenzymes and terminal oxidation is called oxidative phosphorylation. Peter Mitchell (1961) gave a hypothesis known as chemiosmotic hypothesis for ATP. synthesis. According to this, when electrons flow from dual proton electron carrier to a non-hydrogen carrier the are released and expelled into the intermembrane space and thus creates a proton gradient with higher concentration of it in the inner membranous space than the matrix.
Due to the proton motive force the protons flow back and energy liberated during this back flow of protons activates ATPase present in F1 head to synthesize ATP.
Hence, the correct answer is option 3.
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