CHY 205 Chapter Notes - Chapter 14: Triosephosphate Isomerase, Pentose Phosphate Pathway, Phosphoglycerate Mutase
20 Feb 2014
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Chapter 14: glycolysis, gluconeogenesis & the pentose phosphate pathway. Glucose is rich with potential energy making in a n excellent fuel. Glc yields a good amt of energy by complete oxidation to co2 & h2o which proceeds w/ g" = -2840kj/mol. Glc is also a versatile biochemical precursor capable of supplying intermediates for biosynthetic rxns. Bacteria can use glc to build the c skeletons for every aa, nucleotide, coenz, fa or other metabolic intermediate they need for growth. Glycolysis is a universal central pathway in which 1 molecule of glc is converted to 2 molecules of 3c pyruvate. Some of the free energy released from glc is conserved in the form of atp & Nadh, ie. 2 atp & 2nadh are generated. Fermentation is a general term for anaerobic degradation of glc, etc to obtain energy, conserved as atp. B/c living organisms first arose in an atm w/o o2, glycolysis was an anaerobic process.
