midterm2 - fiehn winter 2010_a version_with answers

midterm2 - fiehn winter 2010_a version_with answers -...

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Page 1 of 11 Please, check appropriate box below. Undergraduate student Open enrollment Completing incomplete Graduate student This exam consists of 50 questions. A maximum of 100 points can be earned. There are a total of 11 pages, including the cover page. If you need more space, use the back of pages. 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_____February 18, 2010___ A-Group Please, mark your scantron with name, student ID and test group right away ! BIS103-001 (Winter 2010) February 18, 2010 Midterm #2 Student Name _____________________________ Instructor: Oliver Fiehn Student ID #_______________________________ Create PDF files without this message by purchasing novaPDF printer ( http://www.novapdf.com )
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Page 2 of 11 Q01 2 points The overall net reaction of the pentose phosphate pathways for stage I-III is: a. 2 G6P + 4 NADP + + 2 H 2 O 4 NADPH + 4H + + 2 F6P + 2 CO 2 b. 3 G6P + 6 NADP + + 2 H 2 O 6 NADPH + 6H + + 2 R5P + 2 CO 2 c. 3 G6P + 3 NADP + + 3 H 2 O 3 NADPH + 3H + + 3 R5P + 3 CO 2 d. 3 G6P + 6 NADP + + 3 H 2 O 6 NADPH + 6H + + 2 F6P + GAP + 3 CO 2 e. 3 G6P + 6 NADP + + 3 H 2 O 6 NADPH + 6H + + 2 R5P + GAP + 2 CO 2 Q02 2 points The following sugar phosphate is not involved in the pentose phosphate pathway: a. Sedoheptulose-7-phosphate b. Fructose-6-phosphate c. Xylulose-5-phosphate d. Glyceraldehyde-3-phosphate e. Lyxose-4-phosphate Q03 2 points The following enzymes all belong to the pentose phosphate pathway: a. Glucokinase, glucose-6-phosphate dehydrogenase, 6-phosphogluconolactonase, 6-phosphogluconate dehydrogenase b. 6-phosphogluconate dehydrogenase, ribulose-5-phosphate isomerase, ribulose-5-phosphate epimerase, 6-phosphogluconolactonase c. Transketolase, ribulose-5-phosphate isomerase, ribulose-5-phosphate dehydrogenase, transaldolase d. Ribulose-5-phosphate epimerase, transketolase, glucose-6-phosphate dehydrogenase, phosphofructokinase e. Glucose-6-phosphate dehydrogenase, 6-phosphogluconolactonase, sedoheptulose-7-phosphate isomerase, erythrose-4-phosphate lyase Q04 2 points The following statement is true about the pentose phosphate pathway: a. Flux into the pentose phosphate pathway is controlled by the high free energy change in stage III.
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This note was uploaded on 07/15/2010 for the course BIS BIS103 taught by Professor Fiehns during the Winter '09 term at UC Davis.

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midterm2 - fiehn winter 2010_a version_with answers -...

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