BIOL 112 Lecture 9: Lecture 9 - Glycolysis .pdf
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24 Jun 2015
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When burned in a ame, glucose releases heat, carbon dioxide and water ! The same equation applies for the biological, metabolic use of glucose ! Delta g for the complete oxidation of glucose is -686 kcal/mol. About half of the energy from glucose is collected in atp (exergonic) ! (endergonic)! !- redox reactions induce the transfer of electrons in metabolic reactions from an e- donor to an e- acceptor ! Can lead to synthesis of atp in the mitochondria if oxygen is present ! Redox reactions are made up of 2 half reactions/ redox pairs! Oxidation of organic molecules decreases the number of c-h bonds! As a molecule becomes more oxidized it has less c-h bonds ! !- the cofactor nad is an essential electron carrier in cellular redox reactions! Nadh -> nad+ is an oxidation; very energetically favourable reaction; electrons are more stably distributed !
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