Winter 2009 Exam 3 Short Answer KEY

Winter 2009 Exam 3 Short Answer KEY - Winter 2009 Exam 3...

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Winter 2009 Exam 3 Short Answer 36. (3 points) Name the metabolic intermediate from which each of the following amino acids is produced through de novo synthesis Aspartate _ oxaloacetate ________________________ Serine __ 3-phosphoglycerate __________________________ Valine _ pyruvate ___________________________ 37. (2 points) Name two of the three nucleotides synthesized from the key intermediate Isosinate (de novo). Please be specific. _________ GMP _______________________ _______ AMP ___________________________ 38. A. (1 point) How many NADPH molecules are required to add two carbons to a 10-carbon fatty acyl chain using the Fatty Acid Synthase complex? _______ 2 ____________ _ B. (1 point) In what specific cellular compartment or organelle does phospholipid synthesis happen? ____ smooth ER ______________________ C. (2 points) What is the difference in the two specific strategies (not head group exchange) for adding polar hear groups to 1,2-diacylglycerols in membrane phospholipid synthesis? In strategy 1, the polar head group is activated with CDP, while in strategy 2, the 1,2-diacylglycerol is activated with CDP before the head group is added. 39.
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This note was uploaded on 01/06/2010 for the course MCDB 310 taught by Professor Walter during the Fall '09 term at University of Michigan.

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Winter 2009 Exam 3 Short Answer KEY - Winter 2009 Exam 3...

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