Exam 2 Practice CH223 HW 11

Exam 2 Practice CH223 HW 11 - WebAssign Sunday 05:48 PM EDT...

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WebAssign Sunday, July 17 2011 05:48 PM EDT Logged in as [email protected] Log out Home | My Assignments | Grades | Communication | Calendar Notifications | Help | My Options CH_223, section 651, Summer 1 2011 My Assignments Exam 2 Practice CH223 HW 11 (Exam practice) Crystal Badger CH_223, section 651, Summer 1 2011 Instructor: Kay Sandberg Current Score : – / 15 Due : Monday, July 11 2011 08:10 AM EDT Ask Your Teacher Extension Requests Print Assignment Question Points 1 2 3 4 5 6 7 8 9 –/2.25 –/1.75 –/1.25 –/1.75 –/1.5 –/1 –/1.5 –/3 –/1 Total –/15 (0.0%)
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Description This assignment corresponds to Lecture 11. Instructions Assignment Submission For this assignment, you submit answers by question parts. The number of submissions remaining for each question part only changes if you submit or change the answer. Assignment Scoring Your last submission is used for your score. The due date for this assignment is past. Your work can be viewed below, but no changes can be made. Important! Before you view the answer key, decide whether or not you plan to request an extension. Your Instructor may not grant you an extension if you have viewed the answer key. Automatic extensions are not granted if you have viewed the answer key. Request Extension 1. –/2.25 points My Notes Question Part Points Submissions Used 1 2 3 4 5 –/0.25 –/0.25 –/0.25 –/0.75 –/0.75 0/1 0/1 0/1 0/3 0/3 Total –/2.25 Here is an example of a reaction we cover in Organic chemistry showing up in biochemistry. Ethanol (found in alcoholic beverages) is metabolized in the liver to ethanal by the enzyme alcohol dehydrogenase.
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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 proposed mechanism for this redox reaction is given below. For the reduction half reaction NAD+ NADH. 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).
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