explain electron transfer chain reaction
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explain electron transfer chain reaction
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Answer:
An electron transport chain (ETC) is a series of complexes that transfer electrons from electron donors to electron acceptors via redox (both reduction and oxidation occurring simultaneously) reactions, and couples this electron transfer with the transfer of protons (H+ ions) across a membrane.
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An atom consists of two parts: electrons and protons. Electrons are the negatively (-) charged part of the atom whereas protons are the positively (+) charged part of the atom. Every element has their own unique number of proton and electron present in them. Generally, the number of protons present in an atom is the same as the number of electrons. But, when there is difference in the number of electrons or protons, the atom acquires a charge: positive or negative. If the number of electrons is more than the number of protons, the atom is said to be negatively charged. If the number of protons is more than that of the number of electrons, the atom is positively charged. Electron Transfer Chain (ETC) reaction happens when a negatively charged atom (more electrons) interacts with a positively charged atom (more protons). By the mechanism of our universe, positive charges attract negative ones. As such, the positively charged atom will attract electrons from the negatively charged atom, both becoming neutral in charge if the balance of electrons and protons persists. This process of transfer of electron(s) from a donor (negatively charged atom) to a receiver (positively charged atom) causes Electron Transfer Chain (ETC )reaction.