midterm3 - BIS103-001 (Winter 2010) Midterm #3 - Finals...

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Page 1 of 14 Please, check appropriate box below. Undergraduate student Open enrollment Completing incomplete Graduate student This exam consists of 64 questions. A maximum of 100 points can be earned. There are a total of 14 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_____March 19, 2010___ B-Group Please, mark your scantron with name, student ID and test group right away ! BIS103-001 (Winter 2010) March 19, 2010 Midterm #3 - Finals 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 14 Q01 2 points Trans-fats are by-products of the industrial production of more saturated fats but are outlawed in California since January 2010 because they may cause health problems. The following is a good biochemical reasoning to explain the health problems caused by trans-fats in comparison to the naturally occurring cis-fats that only contain double bonds in cis-position: a. Trans-fats cannot be transported in chylomicrons, thus remaining in the liver b. Trans-fats cannot be imported into mitochondria by carnitine, thus are not degraded by oxidation c. Trans-fats do not require enoylCoA isomerases, thus avoiding a regulatory process d. Trans-fats do not require dienoyl-CoA reductases, thus requiring less NADPH+H + for fat oxidation e. None of the above reasons are correct. Q02 2 points Which of these lipids can best be used for gluconeogenesis? a. Triacylglycerol with C17:0, C17:0, C20:0 b. Membrane lipid Phosphatidylcholine with C16:0, C18:0 c. Triacylglycerol with C16:0, C18:0, C20:0 d. Membrane lipid Phosphatidylcholine with C16:0, C16:0 e. All of these lipids have the same result on gluconeogenesis Q03 2 points Complete the sentence involving enzymes, pathways and metabolites in various organs and/or blood. Under conditions of endurance exercise_______________ and ____________ are very active while _______________ levels are high and _______________levels are low. a. Glycolysis, transaminases, amino acid, glucose b. Oxidative phosphorylation, phosphorylase, glucagon, phosphocreatine c. Pancreatic alpha-cells, peptidases, epinephrine, insulin d. Lactate dehydrogenase, GLUT4, glucose, amino acid e. Lipases, glycogen synthase, oxygen, cAMP Q04 2 points The following is not a metabolic characteristic of cancer cells compared to the surrounding tissue cells:
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This note was uploaded on 09/03/2011 for the course BIS 103 taught by Professor Abel during the Summer '08 term at UC Davis.

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midterm3 - BIS103-001 (Winter 2010) Midterm #3 - Finals...

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