bmb428_problemset21

bmb428_problemset21 - BMB428 Physical Chemistry with...

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BMB428 Dr. Song Tan Physical Chemistry with Biological Applications Fall 2007 1 Due Nov 15, 2007 1. We saw previously that the Michaelis Menton equation could show either zero or first order behavior depending on the substrate concentration (relative to K M ). Today we will look more carefully at first order kinetics. The equation which describes a first order process is : d d [A] t k [A] 1 = In order to make this a useful equation, we need to do some math: (a) Write an equation that separates the variables ([A] and time) in equation 1. (b) Integrate the new equation derived in part A. The limits of integration for [A] should be [A] 1 and [A] 2 . The two times are t 1 and t 2 . (c) Rewrite the equation from part (b) assuming t 1 = 0. (d) Eliminate the log terms in the equation from part (b) by taking the exponent of both sides of the equation. 2.
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bmb428_problemset21 - BMB428 Physical Chemistry with...

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