Chemiosmotic Hypothesis & ATP Synthesis — NEET Biology
📚 Practice ConceptYou have already studied about the mechanism of membrane-linked ATP synthesis as explained by chemiosmotic hypothesis in the earlier chapter. As mentioned earlier, the energy released during the electron
Which of the above statements are correct regarding the step-wise release of energy in cellular respiration? S1: The complete oxidation of glucose in cellular respiration occurs through a single explosive reaction, releasing all energy at once to maximize heat generation. S2: Energy released during the series of step-wise reactions in respiration is directly usable for metabolic activities without conversion into ATP. S3: The strategy of multi-step oxidation of glucose ensures that energy released can be coupled to ATP synthesis, thereby capturing it gradually rather than losing it as excessive heat. S4: Molecules like NADH + H+ and FADH2 serve as temporary energy carriers, storing energy from earlier catabolic steps to be utilized later for ATP production through oxidative phosphorylation. S5: The process of oxidative phosphorylation in respiration involves light energy for creating a proton gradient, similar to photophosphorylation in photosynthesis.
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