Fall+2008+Final - BME 221 Biophysical Chemistry, Fall 2008...

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BME 221 Biophysical Chemistry, Fall 2008 Final Exam *note: these are the exam questions but not an exact copy of the midterm Q1) A) Write down, in words, the Second Law of Thermodynamics. Make sure not to forget anything. (4P) B) Write down the Second Law of Thermodynamics in mathematical terms (i.e. as a formula). (4P) C) What does the Second Law imply with regard to the possibility (i.e. spontaneity) of generating order in an open or closed system? (4P) Q2) List five different interactions/forces/bonds that could be involved in protein folding/structure. (10P) Q3) A) Please rank the following three molecules with respect to their expected strength as an acid (6P) : i) H 3 C-CH 2 -COOH; ii) H3N + -CH 2 -COOH; iii) NO 3 - -CH 2 -COOH B) Explain. (6P) Q4) A) Explain, based on the collision theory, what two (!) effects an increase in temperature will have on the rate constant of a chemical reaction. (6P) B) What change in reaction rate (in percent) would you expect for a biochemical reaction in your body, when your body temperature increases from the normal 37° C to a feverish 41° C (assume
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Fall+2008+Final - BME 221 Biophysical Chemistry, Fall 2008...

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