CH223 001 HW 12

CH223 001 HW 12 - CH223 001 HW 12

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SHAW ROBERT H CH 223, section 001, Fall 2008 Instructor: Kay Sandberg Web Assign Current Score: 8.25 out of 10 Due: Friday, September 19, 2008 07:00 AM EDT Description This assignment corresponds mainly to Lecture 12 and the DE presentation(s) which accompany it. Instructions The due date for this assignment is past. Your work can be viewed below, but no changes can be made. 1. 2.25/2.75 points Here is an example of a biochemical oxidation. Ethanol (found in alcoholic beverages) is metabolized in the liver to ethanal (aka acetaldehyde) by the enzyme alcohol dehydrogenase . Since the alcohol is oxidized, something has to be reduced. The substance that gets reduced is the oxidized form of nicotinamide adenine dinucleotide abbreviated NAD+. The reduction half reaction is represented by NAD+ NADH. The proposed mechanism for this redox reaction is given below. Based on the mechanism given above, indicate whether or not the given deuterated alcohol will produce NADD upon oxidation (NADD is the deuterated analog of NADH). (a) CH 3 CH 2 OD will produce NADD will not produce NADD (b) CD 3 CH 2 OH will not produce NADD will not produce NADD (c) CH 3 CD 2 OH will not produce NADD will produce NADD CH223 001 HW 12 http://www.webassign.net/v4cgirhshaw@ncsu/student.pl?a=2008120717. .. 1 of 6
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CH223 001 HW 12 - CH223 001 HW 12

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