The ETC reactions take place on and across the inner membrane of the mitochondria. Another cell respiration process, the citric acid cycle, takes place inside the mitochondria and delivers some of the chemicals needed by the ETC reactions.Mar 26, 2019
It is the only part of cellular respiration that directly consumes oxygen; however, in some prokaryotes, this is an anaerobic pathway. In eukaryotes, this pathway takes place in the inner mitochondrial membrane. In prokaryotes it occurs in the plasma membrane.
The electron acceptor molecules come from glycolysis, the link reaction, and krebs cycle.
The electrons must travel through special proteins stuck in the thylakoid membrane. They go through the first special protein (the photosystem II protein) and down the electron transport chain. Then they pass through a second special protein (photosystem I protein).
What Happens During the Electron Transport Chain? The ETC uses high energy electrons from chemicals produced by the citric acid cycle and takes them through four steps to a low energy level. The energy from these chemical reactions is used to pump protons across a membrane.
|Electron Transport Chain (ETC)||Mitochondria (Inner Membrane)||6 NADH 2 FADH2|
The electron transport chain is primarily used to send protons across the membrane into the intermembrane space. This create a proton-motive force, which will drive ATP synthase in the final step of cellular respiration to create ATP from ADP and a phosphate group.
Oxygen is the final electron acceptor in the electron transport chain, which allows for oxidative phosphorylation.
What compound is formed as a final product of the electron transport chain? H2O (water) is formed as a final product of the electron transport chain.
The movement of electrons in Photosystems I and II and the action of an enzyme split the water into oxygen, hydrogen ions, and electrons. … These reactions occur in the stroma, the fluid in the chloroplast surrounding the thylakoids, and each step is controlled by a different enzyme.
What is oxidative phosphorylation? Oxidative phosphorylation is the process where energy is harnessed through a series of protein complexes embedded in the inner-membrane of mitochondria (called the electron transport chain and ATP synthase) to create ATP.
F. Photosystem I. … As in Photosystem II, light is harvested by antenna complexes, and the primary light reaction is a charge separation beginning stabilized by transfer of an electron to a quinone, but in Photosystem I the terminal electron acceptor is an FeS cluster, which permits reduction of ferredoxin.
The ETC proteins in a general order are complex I, complex II, coenzyme Q, complex III, cytochrome C, and complex IV. Coenzyme Q, also known as ubiquinone (CoQ), is made up of quinone and a hydrophobic tail. Its purpose is to function as an electron carrier and transfer electrons to complex III.
The electron transport chain, as the name implies, is a series of compounds in a chain transferring electron from one to the other through redox reactions. … In bacteria, the electron transport chain is located in their cell membrane. Abbreviation/Acronym: ETC.
In photosynthesis, water, carbon dioxide, and energy in the form of sunlight are inputs, and the outputs are glucose and oxygen.
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