11 - http/www4.ncsu.edu/~knopp/BCH451/e02c3.htm BCH 451...

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BCH 451 Fall 2002 Exam #3 F = 96.48 kJ/mol-V; k = 1.381 x 10 -23 J/K; N o = 6.022 x 10 23 /mol; R = 8.315 J/mol-K 1. Draw the predominate structures of the following molecules at the pH indicated. Be sure to include all carbon and hydrogen atoms! a. (1.5) IP 3 at pH = 9.5 b. (3) A = pAppC; B = GppUp in the syn conformation at pH = 7 c. (3) C = 1-myristyl-2-arachidonyl phosphatidyl serine; D = 1-oleoyl-2-arachidyl phosphatidyl choline at pH = 8 2. Circle the RNA type which is specified on the first page M R SN T a. (0.3) Give the full name: b. (0.5) Give the size(s) or size range of this type in bases: c. (2) Give a complete description of its function within the cell: 3. (1 for each bond) In the following structure, circle each bond/linkage. Beside each bond/linkage, give the general name or class and indicate the approximate energy as less than ATP, about the same as ATP or much greater than ATP: 4. (1.4) Based on the following dideoxy sequencing gel, give the sequence of the DNA template: [Use the blanks below for your answer.] _____P _____P _____P _____P _____P _____P _____ 5.
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