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t to Puh endcrgonic cellular processes. 12. The 2nd law of thermodynamics states

ID: 205416 • Letter: T

Question

t to Puh endcrgonic cellular processes. 12. The 2nd law of thermodynamics states that is added to the system. 13-16. If the products have less free energy than the reactants, the sign of G is- , and the reaction is said to be · If the products have more free energy than the reactants, the sign of AG is and the reaction i 17. Many enzymes function poorly at low pH because charged amino acids will attract the excess H in solution and will not be available to hold the 3-D structure of the protein together. 18-19. The cnergy needed to destabilize chemical bonds and start a reaction is called At the active site, between the substrate and the enzyme contributes to this destabilization. 20. A molecule that binds to the active site thereby reducing the ability of the enzyme to catalyze its principal reaction is called a

Explanation / Answer

12) entropy , energy

13)-16)negative, spontaneous, positive, non spontaneous

17)negatively

18-19) activation energy,binding

20)catalyst

20)