Biochemistry 2280A Lecture Notes - Lecture 10: Nicotinamide Adenine Dinucleotide Phosphate, Phosphocreatine, Acetaldehyde
14 Dec 2016
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Predict whether a chemical reaction is spontaneous based on its g. Based on g, differentiate between reversible and irreversible reactions. Give examples of reactions the cell uses to drive unfavourable reactions forward, and explain the general mechanism by which this occurs. Explain how nadh and nadph are used by cells, differentiating between the two. G determines whether a reaction is energetically favourable or unfavourable. G is affected by: properties of the molecules, reaction conditions. Net conversion of reactants to products without energy input. Favour side with lower gibbs free energy. But sometimes the backwards reaction does happen (just not as much) As time passes, the concentration of the reactant will fall and product will rise. This is what happens after a lot of time in all reactions. Reaction shifts to counteract changes in concentration. The cell wants to many glutamine but will automatically make glutamate if just put into a test tube" or whatever.
