problem set 3

problem set 3 - Problem Set #3 Covering Chapters 7,8,9...

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Energy Time D E A C B Problem Set #3 Covering Chapters 7,8,9 &10 of Campbell BILD1 Winter 2008 1. Label the terms A thru E on the energy diagram curve below. (a) Is this reaction endergonic or exergonic? (b) Will the reaction occur spontaneously? (c) Is G >0 or is G <0? How can you tell? (d) Is the reaction reversible? (e) If an enzyme is brought in to speed up this reaction, which component (A thru E) will be changed? Draw this on the energy diagram as a dotted line. (f) What happens to the Gibbs free energy of the reaction if an enzyme is added? 2. THINKING ABOUT THERMODYNAMICS (a) Draw a phospholipid bilayer. Using what you know about the two laws of thermodynamics, explain why the formation of this ordered structure occurs spontaneously? (b) ATP is hydrolyzed to form ADP and P i . Draw the reaction schematically. What are the reactants? Speculate on why you think that ATP hydrolysis has a negative Gibbs Free Energy? 3.
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problem set 3 - Problem Set #3 Covering Chapters 7,8,9...

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