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47162
Krebs cycle
Descrição
Biology Mapa Mental sobre Krebs cycle, criado por ewelinaskula em 15-04-2013.
Sem etiquetas
biology
biology
Mapa Mental por
ewelinaskula
, atualizado more than 1 year ago
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Criado por
ewelinaskula
mais de 11 anos atrás
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Resumo de Recurso
Krebs cycle
Involves series of oxidation-reduction reactions
Occurs in matrix of mitochondria
2C acetylCoA from link reaction combines with 4C to produce 6C molecule
6C molecule loses CO2 and Hs to give a 4C molecule and single ATP produced as a result of Substrate-level phosphorylation
4C molecule combines with new molecule of acetylCoA to begin new cycle again
For each molecule of pyruvate(of 2 produced from glucose) together with link reaction produces
Reduced coenzymes: NAD and FAD
Anotações:
Has potential to produce ATP
1 ATP
3 CO2
Coenzymes-molecules that some enzyme require in order to function
They carry H atoms from one molecule to another
NAD in respiration works with dehydrogenase enzyme- catalyse the removal of H ions from substrates and transfer them to other molecules;H carriers
Breaks down macromolecules into smaller ones;pyruvate=>CO2
Produces H atoms that are carried by NAD to the electron transport chain for oxidative phosphorylation
Leads to production of ATP
Regenerates the 4C molecule that combines with acetylCoA(otherwise it would accumulate)
A source of intermediate compounds used by cells in the manufacture of other important substances(fatty acids,amino acids, chlorophyll)
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