BIS102 Hilt W02 MT1 -no answers

BIS102 Hilt W02 MT1 -no answers - 1 Biological Sciences 102...

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Unformatted text preview: 1 Biological Sciences 102 Name _______________________________________ Winter, 2002 Last, First K. Hilt First Midterm Instructions: You may use the back of these pages if you clearly indicate that you are doing so. Some possibly useful equations and pK a ’s are given below. Page Value Score 2 25 3 50 4 25 Total: (100) Compound pK a ’s Phosphate 2.12, 7.21, 12.32 Tris 8.21 Acetic Acid 4.76 Ammonium Chloride 9.25 Amino acid side chains asp 3.90 glu 4.20 his 6.00 tyr 10.10 lys 10.50 cys 8.30 arg 12.50 Amino acid α-carboxyl group 2.10 Amino acid α-amino group 9.60 Oligopeptide N-terminal amino group 7.40 Oligopeptide C-terminal carboxyl group 3.60 pH = -log [H + ] pH = -log a H+ K a = x 2 /(y - x) pH = (pK a 1 + pK a 2 )/2 pH = pK a + log {[base]/[acid]} (K a ) (K b ) = 1.00 x 10-14 K b = x 2 / (y-x) ∆ G = ∆ H - T ∆ S F = (q 1 q 2 )/( ε r 2 ) a = γ c 2 BIS 102 Name ___________ _____ _________________ 1. ( 20 pts.) An enzyme-catalyzed reaction was carried out in a solution containing 0.20 M Tris buffer. The ( 20 pts....
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This note was uploaded on 10/07/2009 for the course BIS 52192 taught by Professor Enochbaldwin during the Winter '09 term at UC Davis.

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BIS102 Hilt W02 MT1 -no answers - 1 Biological Sciences 102...

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