Ubiquinone accepts two electron indigenous NADH and also transports it across the inner membrane the mitochondria. This results in the Proton Motive force which is used during the synthesis of ATP..


You are watching: When nadh donates two electrons to ubiquinone during respiration, ubiquinone is

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Assertion :The metabolic pathway with which the electron overcome from one transport to another is called the electron transport mechanism (ETS). Reason: ETS is existing in the within mitochondrial membrane.
Small protein fastened to outer surface of within mitochondrial membrane which acts as mobile transport for transport of electrons between complex III and IV is
Study closely the complying with statements and select the untrue ones.(i) as soon as fats are supplied in respiration, the RQ is more than unity since fats contain much more O2 and require relatively less lot of O2 because that oxidation.(ii) The many important energy carrier is ATP. This energy-rich compound is mobile and can happen from one cell to another.(iii) prior to pyruvic mountain enters Krebs' cycle, among the two carbon atom of pyruvic acid is decreased to carbon atom of pyruvic mountain is diminished to carbon dioxide in the reaction called reductive carboxylation.(iv) A special electron carrier system located in the mitochondrial membrane is referred to as a shuttle system. The transfers electron from the hydrogens of cytoplasmic NADH to the mitochondrial electron carriers throughout the mitochondrial membrane.(v) Zymase is a complex mixture of plenty of enzymes which calls for several coenzymes for its action. The enzyme complex-zymase catalyses series of reactions taking place throughout fermentation bring about the manufacturing of ethyl alcohol.


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During light reaction, as electrons move through photosystems, protons are transported across the membrane. This happens since of