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Unformatted text preview: WRITE YOUR NAME LEGIBLY ON EVERY PAGE – PAGES WILL BE SEPARATED FOR GRADING! CHECK TO BE SURE YOU HAVE 6 PAGES , NAME (print): INCLUDING COVER PAGE. I swear/affirm that I have neither given nor received any assistance with this exam. Signature: Date: BIOCHEMISTRY 460 FOURTH HOUR EXAMINATION FORM A ANSWERS May 6, 2009 NO CALCULATORS ARE NEEDED OR PERMITTED ON THIS EXAM. NO CELL PHONES MAY BE OUT. (TURN OFF AND PUT ENTIRELY AWAY!) NO TALKING! CHECK SCREEN FROM TIME TO TIME FOR CORRECTIONS, CURRENT TIME, ETC. p. 2 (18 points) p. 3 (22 points) p. 4 (22 points) p. 5 (22 points) p. 6 (16 points) TOTAL: (100 points) Biochemistry 460, Exam #4 Form A ANSWERS NAME May 6, 2009 page 2 1. (15 pts, 1.5 pts ea.) Fill in the table below from the following choices. Some compounds may be used once as an answer, more than once or not at all. Some questions may have more than one correct answer. Put only ONE answer . If you put more than one answer, you will NOT get credit for the question. Only use compounds from this list. If you put something not included in this list, you will NOT get credit for the question. All questions do have a correct answer. Glucose 6-phosphate Glucose 1-phosphate Glucose 1,6-bisphosphate Fructose 6-phosphate Fructose 1,6-bisphosphate Ribulose 5-phosphate Ribulose 1,5-bisphosphate Erythrose 4-phosphate Glyceraldehyde-3-phosphate Carbon dioxide (CO 2 ) Oxaloacetate (OAA) Argininosuccinate Carbamoyl Phosphate ADP-Glucose UDP-Glucose Glycerol Glycogen Arachidonate Tyrosine Epinephrine Tryptophan Pectin Malate Lactate Lactose Ethanol Fumarate Succinate Citrate HMG-CoA Description Compound Intermediate from the carbon shuffling portion of the Pentose Phosphate Pathway that is a precursor for aromatic amino acids Erythrose 4-phosphate (E4P) Substrate of Rubisco Ribulose 1,5-bisphosphate OR Carbon Dioxide (CO 2 ) OR O 2 Product of Fermentation in Human Muscle Cells Lactate OR Alanine Compound that connects the urea cycle to the citrate cycle (is involved in both pathways) Oxaloacetate (OAA) OR Fumarate OR Malate Product of pancreatic lipase Glycerol OR fatty acid Product of phenylalanine hydroxylase Tyrosine Precursor of eicosanoids (e.g. prostaglandins) Arachidonate Product of glycogen phosphorylase Glucose 1-phosphate (G1P) Substrate for glycogen synthase UDP-Glucose Key intermediate that is reduced in the cytosolic mevalonate pathway and cleaved in the mitochontrial ketone body pathway HMG-CoA 2. (3 pts) Aspartate, methionine, and threonine are produced from oxaloacetate . Where does this precursor (OAA) come from? A. It is an intermediate in glycolysis B. It is an intermediate in fatty acid oxidation C. It is an intermediate in the citrate cycle D. It is an intermediate in the shikimate pathway 3. (3 pts) Which amino acids are products of the shikimate pathway ?...
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This note was uploaded on 05/06/2010 for the course BIOC 460 taught by Professor Ziegler during the Spring '07 term at University of Arizona- Tucson.

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