Krebs cycle

ewelinaskula
Mind Map by , created over 6 years ago

Biology Mind Map on Krebs cycle, created by ewelinaskula on 04/15/2013.

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ewelinaskula
Created by ewelinaskula over 6 years ago
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Krebs cycle
1 Involves series of oxidation-reduction reactions
2 Occurs in matrix of mitochondria
3 2C acetylCoA from link reaction combines with 4C to produce 6C molecule
3.1 6C molecule loses CO2 and Hs to give a 4C molecule and single ATP produced as a result of Substrate-level phosphorylation
3.1.1 4C molecule combines with new molecule of acetylCoA to begin new cycle again
4 For each molecule of pyruvate(of 2 produced from glucose) together with link reaction produces
4.1 Reduced coenzymes: NAD and FAD

Annotations:

  • Has potential to produce ATP 
4.2 1 ATP
4.3 3 CO2
5 Coenzymes-molecules that some enzyme require in order to function
5.1 They carry H atoms from one molecule to another
5.2 NAD in respiration works with dehydrogenase enzyme- catalyse the removal of H ions from substrates and transfer them to other molecules;H carriers
6 Breaks down macromolecules into smaller ones;pyruvate=>CO2
7 Produces H atoms that are carried by NAD to the electron transport chain for oxidative phosphorylation
7.1 Leads to production of ATP
8 Regenerates the 4C molecule that combines with acetylCoA(otherwise it would accumulate)
9 A source of intermediate compounds used by cells in the manufacture of other important substances(fatty acids,amino acids, chlorophyll)

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