BIS103_2004MT2 Key_

BIS103_2004MT2 Key_ - BIS103-001 (Spring 2004) Midterm #2...

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BIS103-001 (Spring 2004) Midterm #2 (May 20) Name_____________________________________ 1 Instructor: Abel Student ID #___ ANSWER KEY Please, check appropriate box. This exam consists of 6 questions. A maximum of 100 points can be earned. Partial credit will be given. There are a total of 12 pages, including the cover page and one blank sheet at the end for notes. However, do not use the blank sheets for your final answers. If you need more space, use the back of pages 2-11. Write your name on top of each page! Petitions for regarding will be considered only if you have used permanent ink , unless an addition error has occurred. *IT IS YOUR RESPONSIBILITY TO WRITE LEGIBLE!* No extra effort will be made to decipher your handwriting. T = 25 o C (298 K) T = 37 o C (310 K) R = 8.315 J mol -1 K -1 F = 96.5 kJ mol -1 V -1 n = moles of electrons G = G o ’ + RTln[Prod.]/[React.] G o’ = – nF E o’ E o’ = E o’ Oxidant – E o’ Reductant I,_______________________________________, authorize the University to distribute publicly this graded exam (e.g., handed out in class or left in a bin for pick up). I am aware of the fact that violations of the Academic Code of Conduct 1 may be reported to UC Davis Student Judicial Affairs. 1 Examples of academic misconduct include: receiving or providing unauthorized assistance on examinations, using unauthorized materials during an examination, altering an exam and submitting it for re-grading, or using false excuses to obtain extensions of time ( http://sja.ucdavis.edu/cac.htm ). Signature________________________________________ Date____________________________ Undergraduate Student Graduate Student Auditing Completing Incomplete Question Value Score 1 10 2 12 3 22 4 22 5 12 6 22 TOTAL 100
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BIS103-001 (Spring 2004) Midterm #2 (May 20) Name_____________________________________ 2 1. (10 pts) You are coming home exhausted from the gym and drink a bottle of “Mountain Dew”, which is essentially a 12% sucrose solution. Assume that the sucrose is readily converted into glycogen to replenish your depleted carbohydrate reserves. a) Which organ would primarily use the sucrose for glycogen synthesis? Encircle only one. (2 pts) Brain Liver Heart Skeletal Muscle Stomach Big Toe b) Write out the series of balanced reactions that convert each constituent of sucrose, glucose and fructose, into glycogen. Use the names of intermediates or standard abbreviations. (8 pts) Glucose + ATP Î Glucose-6-P + ADP Glucose-6-P Ù Glucose-1-P Glucose-1-P + UTP Î UDP-Glucose + PPi PPi + H 2 O Î 2 P i UDP-Glucose + Glycogen (n Glc) Î UDP + Glycogen (n+1 Glc) Fructose + ATP Î Fructose-6-P + ADP Fructose-6-P Ù Glucose-6-P
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BIS103-001 (Spring 2004) Midterm #2 (May 20) Name_____________________________________ 3 2. (12 pts) A novel bacterium uses nitrate (NO 3- ) as the terminal electron acceptor and cysteine as the initial electron donor for oxidative phosphorylation of ADP to ATP. a) Given below is a randomized
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BIS103_2004MT2 Key_ - BIS103-001 (Spring 2004) Midterm #2...

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