Final Exam - Summer 10 (Practice)

Final Exam - Summer 10 (Practice) - Chemistry 322bL Basic...

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Chemistry 322bL Basic Organic Chemistry SAMPLE EXAMINATION 5 (1/2 of FINAL) . I. (20 pts) Provide names for the following structures, or structures for the following names, as appropriate. Either IUPAC or common names are acceptable. Don’t forget stereochemistry if it is shown. Be sure to specify ring size for any cyclic sugars. (e) O O N O O ( ) O O N O O O O N O O O O N O O O O N O O O O N O O CH 2 OH HO OH H H H O OCH 3 H CH O H _____________________________________________________ 3 ____________________________________________ (sugar is mannose) II. (12 pts) Draw all additional reasonable resonance contributors to complete a good representation for the purple product formed from amino acids and ninhydrin. You may not need all of the partial structures given. (Don’t forget the charge .)
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Chemistry 322bL SAMPLE Final Examination page 2 August III. (16 pts) For the following answers, the more words written, the lower the grade. What is the 1 ° structure of a protein? What is the 2 ° structure of a protein? What is the 3 ° structure of a protein? What is the 4 ° structure of a protein? In sequencing a polypeptide, what information does use of the Sanger reagent provide? What information does use of carboxypeptidase yield? What does the Edman degradation tell you?
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This note was uploaded on 01/22/2012 for the course CHEM 322B taught by Professor Jung during the Spring '08 term at USC.

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Final Exam - Summer 10 (Practice) - Chemistry 322bL Basic...

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