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Oxidation vs reduction biology
Such that, C (of CO2) goes from an oxidation number of 4 to C (of CO) having an oxidation number of 2, representing a reduction somewhere 50 loss of two electrons.
L ose E lectrons in O xidation G ain E lectrons in R eduction.The products nadh and fadh2 formed during glycolysis and the citric acid cycle are able to reduce molecular oxygen (O2) thereby releasing large amounts of Gibbs energy used to make ATP.In this case, one carbon (the methyl carbon of lactic acid) is reduced from the zero oxidation state to 3 while another carbon (the carboxyl carbon of lactic acid) gives up electrons and goes from an oxidation state of zero.What is the difference between oxidation and reduction?The primary source of energy that drives the electron flow in nearly all of these organisms is the radiant energy of the sun, in the form of electromagnetic radiation or Light.The process of oxidizing glucose and atmospheric oxygen allowed energy to be captured for use by the organism that consumes these products of the plant.It is through this process that ATP is able to form as a result of the transfer of electrons.The chemical conversion of carbon dioxide and water into sugar (glucose) and oxygen is a light-driven reduction process: 6CO_2 6H_2O rightarrow C_6H_12O_6 6O_2 label5.Another example of a redox reaction is with the two gasses CO2 and.Therefore, these two groups of organisms have been allowed to diverge interdependently through this natural life cycle.Similarly, since oxygen must therefore be reduced, we should see a gain of electrons.The terminal respitory chain showing electron transport and phosphorylation.The hydrogen ions are said to be reduced and the reaction is a reduction reaction.A third type of biological oxidation might involve only a transfer of electrons (3).As the reaction progresses, the zinc atom loses two electrons to become a Zn2 ion.Where this electron flow occurs via the physics principle of higher potential to lower potential; similar to a ball rolling down a hill, as opposed to the opposite direction.Table 1 : Transfer of hydrogen ions and electrons for the general reaction scheme of A B with intermediate stage shown.The process by which non photosynthetic organisms and cells obtain energy, is through the consumption of the energy rich products of photosynthesis.
Zn(s) 2 HCl(aq) ZnCl2(aq) H2(g if this reaction where broken down to the ion level: Zn(s) 2 H(aq) 2 Cl-(aq) Zn2(aq) 2 Cl-(aq) 2 H2(g).
To efficiently produce ATP, the process of glycolysis must be near an abundance of oxygen.