@bellaboosfashion: leopard range at bellaboos 🐆✨🍒#10k #trending #leopard #trend #fyp #fypage #foryou #foryoupage #drake

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Tuesday 28 May 2024 10:09:13 GMT
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"The electron transport chain is a series of proteins and organic molecules found in the inner membrane of the mitochondria. Electrons are passed from one member of the transport chain to another in a series of redox reactions. Energy released in these reactions is captured as a proton gradient, which is then used to make ATP in a process called chemiosmosis. Together, the electron transport chain and chemiosmosis make up oxidative phosphorylation. The key steps of this process, shown in simplified form in the diagram above, include: Delivery of electrons by NADH and FADH ‍ . Reduced electron carriers (NADH and FADH‍ ) from other steps of cellular respiration transfer their electrons to molecules near the beginning of the transport chain. In the process, they turn back into NAD+ ‍  and FAD, which can be reused in other steps of cellular respiration. Electron transfer and proton pumping. As electrons are passed down the chain, they move from a higher to a lower energy level, releasing energy. Some of the energy is used to pump H+ ‍  ions, moving them out of the matrix and into the intermembrane space. This pumping establishes an electrochemical gradient. Splitting of oxygen to form water. At the end of the electron transport chain, electrons are transferred to molecular oxygen, which splits in half and takes up H+ ‍  to form water. Gradient-driven synthesis of ATP. As H‍+  ions flow down their gradient and back into the matrix, they pass through an enzyme called ATP synthase, which harnesses the flow of protons to synthesize ATP." #apbio #apbiology #biology #premed #biotok #biochem #mitochondria

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