electron transport system


Also found in: Medical.

electron transport system

[i′lek‚trän ′trans‚pȯrt ‚sis·təm]
(biochemistry)
The components of the final sequence of reactions in biological oxidations; composed of a series of oxidizing agents arranged in order of increasing strength and terminating in oxygen.
References in periodicals archive ?
Activities of esterase enzymes and of the electron transport system have been employed as indicators of microbial metabolism, in aquatic or terrestrial systems (Trevors, 1984; Houri-Davingnon and Relexans, 1989; Stubberfield and Shaw, 1990).
If it were not for the need of oxygen to combine with the terminal protons and electrons in the electron transport system, there would be no reason for us to breathe and distribute oxygen to all cells.
This particular electron transport system is not complete, and each molecule of NAD releases only enough energy to make 2 ATP (a total of 4).
KEY WORDS: Oyster, sulphide, Crassostrea gigas, clearance rate, oxygen consumption, pyruvate kinase, phosphoenolpyruvate carboxykinase, alanine, succcinate, electron transport system, AEC, ATP
At the mitochondrial level, the synthesis and degradation of the macroenzymes of the electron transport system (ETS) is a function of the respiratory requirements of marine organisms (Owens & King 1975).
The adenylate energy charge (AEC) was measured, and the activity of the respiratory chain was evaluated by measuring the electron transport system (ETS) activity (Madon et al.
The activity of the electron transport system decreased significantly in oyster exposed to sulphide for 10 days.
Seasonal changes in the respiratory electron transport system (ETS) and respiration of the zebra mussel, Dreissena polymorpha in Saginaw Bay, Lake Huron.
10], or ubiquinone, a component of the electron transport system and a key player in mitochondrial ATP production.
Compared with unrestrained plants under the same lights, the test plants showed marked destruction of chlorophyll and decreased activity within the electron transport system that converts sunlight into energy for the plant.
Structures of all components of the electron transport system

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