2004 Midterm - KEEP THIS CLOSED ON YOUR DESK UNTIL THE...

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1 KEEP THIS CLOSED ON YOUR DESK UNTIL THE START OF THE TEST NO NOTES, BOOKS OR MODELS PERMITTED BCH 2140 Midterm THIS IS VERSION A , ANSWERS AND SOME COMMENTS ARE ON THE END. Professor: Mezl a Friday February 20 , 2004 Materials needed: One computer answer sheet This exam Calculators are permitted. INSTRUCTIONS Pick the BEST answer for each multiple choice question AT THE END - Verify that your name and student number are on the answer sheet . Hand in just the computer answer sheet. Keep the exam: a corrected exam will be posted at the web site
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2 1. D-glyceraldehyde is : CH 2 OH H OH OH CHO H 3 OH HO 3 CH 2 OH HOCH 2 3 HH 3 CHO HO 3 CH 2 OH CHO CHO CHO CH 2 OH H (A) (B) (C) (D) (E) Use Structure X (shown on the right) to answer the following series of questions: 2. Structure X is: A) an aldose B) an alditol C) an alduronate D) a ketose E) a ketitol 3. X is a : A) L-lactam B) D-pyranose C) L-pyranose D) D-furanose E) L-furanose 4. There is a deoxy group on carbon: A) 1 B) 3 C) 4 D) 6 E) none of these carbons 5. X is : A) an " anomer B) a $ anomer C) an " anomer at one end and a $ at the other D) a cis isomer E) a trans isomer 6.
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This note was uploaded on 04/10/2011 for the course BCH 2333 taught by Professor Mezl during the Winter '08 term at University of Ottawa.

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2004 Midterm - KEEP THIS CLOSED ON YOUR DESK UNTIL THE...

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