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Unformatted text preview: www.usc.edu/si BISC 330-Biochemistry Christian Kitamura Scott Greenberg firstname.lastname@example.org email@example.com Biochem SI Exam Review #1 2/1/09 ***BRING A COPY OF THE PRACTICE TEST TO SI THIS WEEK!!!*** Things to review on your own :-Amino Acids: Names (3 letter abbr., 1 letter abbr., acid/base/polar/non-polar, R-group structure)-Structure of Adenine, Thymine, Guanine, Cytosine, and Uracil 1. Balance the following equations and calculate the energy released in kcal/mol and kcal/gram of methanol. H HCOH + ____ O=O ____ O=C=O + _____ HOH H Energy released=_____________ kcal/mole=_______________kcal/gram (based on electroneg.) Also for comparison, estimate energy released by simply counting C-H and C-C bonds. Energy released=_____________kcal/mole H 2.1 C 2.5 N 3.0 O 3.5 P 2.1 S 2.5 Show work 2. What is the % ionic character in an N-H bond? An O-H bond? A C-C bond? www.usc.edu/si BISC 330-Biochemistry Christian Kitamura Scott Greenberg firstname.lastname@example.org email@example.com 3. Using these pKa values: -COOH 2.1, -NH3....
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