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  2. Mitochondrial shuttle - Wikipedia

    en.wikipedia.org/wiki/Mitochondrial_shuttle

    The mitochondrial shuttles are biochemical transport systems used to transport reducing agents across the inner mitochondrial membrane. NADH as well as NAD+ cannot cross the membrane, but it can reduce another molecule like FAD and [QH 2 ] that can cross the membrane, so that its electrons can reach the electron transport chain .

  3. Electron transport chain - Wikipedia

    en.wikipedia.org/wiki/Electron_transport_chain

    According to the chemiosmotic coupling hypothesis, proposed by Nobel Prize in Chemistry winner Peter D. Mitchell, the electron transport chain and oxidative phosphorylation are coupled by a proton gradient across the inner mitochondrial membrane. The efflux of protons from the mitochondrial matrix creates an electrochemical gradient (proton ...

  4. File:Mitochondrial electron transport chain (annotated ...

    en.wikipedia.org/wiki/File:Mitochondrial...

    You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made.

  5. Chemiosmosis - Wikipedia

    en.wikipedia.org/wiki/Chemiosmosis

    In mitochondria, energy released by the electron transport chain is used to move protons from the mitochondrial matrix (N side) to the intermembrane space (P side). Moving the protons out of the mitochondrion creates a lower concentration of positively charged protons inside it, resulting in excess negative charge on the inside of the membrane.

  6. Cellular extensions - Wikipedia

    en.wikipedia.org/wiki/Cellular_extensions

    Osteocytes, the most common cell type within mature cortical bone, actively participate in the growth and maintenance of TCVs through the transfer of mitochondria to endothelial cells. Scanning electron microscopy images have revealed that osteocytes possess numerous dendritic processes with expanded, endfoot-like structures. These endfeet ...

  7. Oxidative phosphorylation - Wikipedia

    en.wikipedia.org/wiki/Oxidative_phosphorylation

    In the mitochondria, electrons are transferred within the intermembrane space by the water-soluble electron transfer protein cytochrome c. [8] This carries only electrons, and these are transferred by the reduction and oxidation of an iron atom that the protein holds within a heme group in its structure.

  8. Citrate–malate shuttle - Wikipedia

    en.wikipedia.org/wiki/Citrate–malate_shuttle

    Mitochondria is a double-membrane structure in the body cell that generates and transports essential metabolic products. The three layers of this structure are the outer membrane, intermembrane space, and inner membrane. [2] The space inside the mitochondria is called the mitochondrial matrix, while the region outside is the cytosol.

  9. Mitochondrial carrier - Wikipedia

    en.wikipedia.org/wiki/Mitochondrial_carrier

    Many MC proteins preferentially catalyze the exchange of one solute for another ().A variety of these substrate carrier proteins, which are involved in energy transfer, have been found in the inner membranes of mitochondria and other eukaryotic organelles such as the peroxisome and facilitate the transport of inorganic ions, nucleotides, amino acids, keto acids and cofactors across the membrane.

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