win05midterm1yellowkey

win05midterm1yellowkey - BIS103-002 - FIRST MIDTERM...

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BIS103-002 -- FIRST MIDTERM February 3, 2005 Name_____________________________________________ 1 Student ID # _______________________________________ Check the appropriate boxes below Undergraduate Graduate Audit Completing Incomplete Note: There are 6 questions and a total of 11 numbered pages counting the cover sheet. A blank sheet is included in the back for scratch paper and to cover your exam. Do not use this paper for your answers. If you need more room use the back of the numbered pages. Partial credit will be given. WRITE YOUR NAME ON THE TOP OF EACH PAGE. Question Value Score 1 16 2 16 3 24 4 12 5 12 6 20 TOTAL 100 T= 298º K R= 8.315 J x mol -1 x K -1 Faraday's constant (F) is 96.5kJ x volt -1 x mol -1 D G o ' for the reaction ADP + P i ATP + H 2 O = + 30.5 kJ x mole -1 D G o ' = - n F D E o ' D G = D G o ' + RT ln [products/reactants] I, ______________________________, authorize the University to distribute publicly this graded exam ( e.g. , handed out in class, or left in a bin for me to pick up). Signature ________________________________________ Date _____________________
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BIS103-002 -- FIRST MIDTERM February 3, 2005 Name_____________________________________________ 2 1. (16 pts). The four compounds shown below were synthesized with radioactive 14 C at the designated positions and non-radioactive 12 C at all other positions. Each compound was fed to different liver extracts. Following metabolism of these compounds through their pathways and only one “round” or “turn” of the TCA cycle, what compound(s) contains radioactive 14 C label and which carbon(s) of the compound is radioactive? For your answer DRAW and NAME the compound(s) containing the 14 C and designate (unambiguously) which carbon atoms (s) are radioactive by circling those carbons. Starting compounds: Below draw all product(s) that contain 14 C, name them and a. circle the atoms that could contain 14 C C 14 C H 3 C O O- O OAA _______________________________________________________________________ b. OAA C C 14 CH 3 O O - O
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BIS103-002 -- FIRST MIDTERM February 3, 2005 Name_____________________________________________ 3 _______________________________________________________________________ c. Carbon dioxide __________________________________________________________________________ d. H 14 CHO OH H HO OH H OH H CH 2 OH Answer same as (b). 14 C C H 3 C O O - O
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BIS103-002 -- FIRST MIDTERM February 3, 2005 Name_____________________________________________ 4 2. (16 pts). Short answer You are performing research in a lab at the UCD Medical Center. You have isolated a bacterial species that obtains its energy by fermentation (anaerobically) in a medium containing a carbohydrate. Indicate ,
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This note was uploaded on 06/17/2009 for the course BIS 103 taught by Professor Abel during the Spring '08 term at UC Davis.

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win05midterm1yellowkey - BIS103-002 - FIRST MIDTERM...

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