Related Experiment Video

Updated: Jul 5, 2026

Application of Electrophysiology Measurement to Study the Activity of Electro-Neutral Transporters
11:51

Application of Electrophysiology Measurement to Study the Activity of Electro-Neutral Transporters

Published on: February 3, 2018

Thermodynamics and control of proton motive free-energy transduction

H V Westerhoff

    Biomedica Biochimica Acta
    |January 1, 1985
    PubMed

    Keywords:
    proton motive forcebioenergeticsmitochondrial functionenergy transduction

    More Related Videos

    The Use of the Patch-Clamp Technique to Study the Thermogenic Capacity of Mitochondria11:05

    The Use of the Patch-Clamp Technique to Study the Thermogenic Capacity of Mitochondria

    Published on: May 3, 2021

    High-Resolution Respirometry to Assess Bioenergetics in Cells and Tissues Using Chamber- and Plate-Based Respirometers09:53

    High-Resolution Respirometry to Assess Bioenergetics in Cells and Tissues Using Chamber- and Plate-Based Respirometers

    Published on: October 26, 2021

    Related Concept Videos

    Chemiosmosis01:32

    Chemiosmosis

    Oxidative phosphorylation is a highly efficient process that generates large amounts of adenosine triphosphate (ATP), the basic unit of energy that drives many cellular processes. Oxidative phosphorylation involves two processes— the electron transport chain and chemiosmosis.
    Electron Transport Chain
    The electron transport chain involves a series of protein complexes on the inner mitochondrial membrane that undergo a series of redox reactions. At the end of this chain, the electrons reduce...
    ATP Driven Pumps I: An Overview01:27

    ATP Driven Pumps I: An Overview

    ATP-driven pumps, also known as transport ATPases, are integral membrane proteins. They have binding sites for ATP located on the membrane's cytosolic side and the ion-conducting domain in the transmembrane region. These pumps use the free energy released from ATP hydrolysis to move the solutes across cell membranes against an electrochemical gradient.
    There are four main types of ATP-driven pumps - P-type, V-type, F-type, and ABC transporter. All these pumps are of varying complexities and are...
    Energy to Drive Translocation01:37

    Energy to Drive Translocation

    Mitochondrial protein import is powered by two distinct energy sources: ATP hydrolysis and electrochemical potential across the inner membrane. Newly synthesized precursors are bound by cytosolic chaperones of the Hsp70 family, which guide them to the import receptors on the mitochondrial surface. Utilizing the energy of ATP hydrolysis, Hsp70 chaperones transfer these precursors to the TOM receptors on the mitochondrial outer membrane.
    Generally, polypeptides are unfolded by two distinct...
    The First Law of Thermodynamics01:13

    The First Law of Thermodynamics

    The first law of thermodynamics deals with the total amount of energy in the universe. It states that this total amount of energy is constant. In other words, there has always been, and always will be, exactly the same amount of energy in the universe. Energy exists in many different forms. According to the first law of thermodynamics, energy may transfer from place to place or transform into different forms, but it cannot be created or destroyed. The transfers and transformations of energy...
    Electron Transport Chain Components01:29

    Electron Transport Chain Components

    The electron transport chain (ETC) is a crucial metabolic pathway that facilitates energy conversion in prokaryotic and eukaryotic cells. In eukaryotes, the ETC comprises four membrane-associated protein complexes in the inner mitochondrial membrane. In prokaryotes, the ETC in the plasma membrane can vary in composition, with fewer or different complexes depending on the organism and environmental conditions. These complexes transfer electrons from electron donors, such as NADH and FADH2, to...
    Chemiosmosis and ATP Synthesis01:22

    Chemiosmosis and ATP Synthesis

    The electron transport chain is a critical component of cellular respiration, occurring in the inner mitochondrial membrane. It facilitates the transfer of high-energy electrons from reduced cofactors NADH and FADH₂ to molecular oxygen, the final electron acceptor. This transfer of electrons through a series of protein complexes is tightly coupled to the translocation of protons across the membrane, generating a proton gradient essential for ATP synthesis.Electron Flow and Proton...