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What occurs in the ETC during cellular respiration?
During cellular respiration, the Electron Transport Chain (ETC) is a series of protein complexes and molecules located in the inner mitochondrial membrane that transfer electrons from NADH and FADH2 to oxygen. This transfer of electrons drives the production of ATP through a process called oxidative phosphorylation. As electrons move through the ETC, protons are pumped across the inner mitochondrial membrane, creating an electrochemical gradient that is used to generate ATP.
Where are ETS enzymes located in the mitochondria?
ETS enzymes are located in the inner mitochondrial membrane of eukaryotic cells. They are part of the electron transport chain (ETC) that generates ATP through oxidative phosphorylation. The ETS enzymes transfer electrons from NADH and FADH2 to oxygen, producing a proton gradient across the inner mitochondrial membrane.
Where in the mitochondria does the ETC occur?
The electron transport chain (ETC) occurs in the inner mitochondrial membrane. It is comprised of a series of protein complexes embedded in the membrane, through which electrons are passed along to generate ATP.
What happens as electrons are passed along the ETC?
As electrons are passed along the electron transport chain (ETC), they release energy. This energy is used to pump protons across the inner mitochondrial membrane, creating a proton gradient. The flow of protons back across the membrane drives ATP synthase to produce ATP.
What is location of ETC and chemiosmosis in photosynthesis and cellular respiration?
In photosynthesis, ETC and chemiosmosis occur in the thylakoid membranes of chloroplasts. In cellular respiration, these processes take place in the inner mitochondrial membrane. These locations are where the electron transport chain (ETC) pumps protons across the membrane, creating a proton gradient that drives ATP production through chemiosmosis.
