by Jacinthe Hettinger
Published 2 years ago
Updated 2 years ago
The electron transport chain is a series of four protein complexes that couple redox reactions, creating an electrochemical gradient that leads to the creation of ATP in a complete system named oxidative phosphorylation. It occurs in mitochondria in both cellular respiration and photosynthesis.Sep 8, 2021
Where does electron transport occur in the mitochondria?
Electron transport chain (ETC) occurs in the inner mitochondrial membrane, where the OXPHOS takes place through the action of ATP synthase, [37].
Where does the electron transport system occur quizlet?
The electron transport chain takes place within the inner membrane of the mitochondria.
In what part of the mitochondria does the ETC occur quizlet?
The electron transport chain is located in the inner membrane of the mitochondrion in the folds called the "cristae".
What happens during electron transport?
During electron transport, energy is used to pump hydrogen ions across the mitochondrial inner membrane, from the matrix into the intermembrane space. A chemiosmotic gradient causes hydrogen ions to flow back across the mitochondrial membrane into the matrix, through ATP synthase, producing ATP.
What is the function of the ETC quizlet?
What is the purpose of the ETC? The main purpose of the electron transport chain is to build up a surplus of hydrogen ions (protons) in the intermembrane space sp that there will be a concentration gradient compared to the matrix of the mitochondria. This will drive ATP synthase.
Where is the electron transport chain in prokaryotes?
the plasma membraneIn prokaryotes, the electron transport chain components are found in the plasma membrane.
What is the main function of the ETC?
The main function of the electron transport chain is to generate an electrochemical gradient, which drives the synthesis of ATP during cellular respiration and photosynthesis in mitochondria and chloroplasts, respectively.
What is the purpose of electron transport system?
The primary task of the last stage of cellular respiration, the electron transport chain, is to transfer energy from the electron carriers to even more ATP molecules, the "batteries" which power work within the cell.
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· Electron Transport Chain Definition. The electron transport chain is a cluster of proteins that transfer electrons through a membrane within mitochondria to form a gradient of protons that drives the creation of adenosine triphosphate (ATP). ATP is used by the cell as the energy for metabolic processes for cellular functions.. Where Does the Electron Transport …
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