ch369_3-8sp11_op_3_notes

ch369_3-8sp11_op_3_notes - Painter 3.02 For exam #1,...

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Unformatted text preview: Painter 3.02 For exam #1, students with last names A through Kotkowsky go to Painter 3.02. Last names Kowls through Zhang go to the usual class room. You may use a simple scientifc calculator that can do logarithms. Examples are shown below. Calculators that can store signifcant text may not be used. Cell phones cant be used as calculators. For re-grade requests, answers must be in pen. NAD + An important cofactor. Overall reaction of glycolysis: Glycolysis is an oxidation-reduction reaction: Glucose gets oxidized to pyruvate. NAD + gets reduced to NADH. What is the overall point of glycolysis? Where does glycolysis occur? Why make ATP? Whats it good for? What are NAD + and NADH, and why do we need these? Which glycolysis reactions are irreversible? What is gluconeogenesis? Why is it useful? Where does it occur? Why must these pathways be regulated? Which steps are regulated? Why is it sometimes useful to convert pyruvate to lactate (or ethanol) ? Why do we make lactate ??? What happens to the pyruvate made in glycolysis? Pyruvate may be converted to lactate: Making lactate regenerates NAD+ that is required for glycolysis! (this can keep glycolysis going until too much lactate builds up). Some other things that can be done with pyruvate: In yeast, pyruvate is a precursor for ethanol. Pyruvate can enter the TCA cycle. Before entering the citric acid cycle, pyruvate is converted to acetyl coenzyme A by the pyruvate dehydrogenase complex (PDC or PDH)....
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This note was uploaded on 04/02/2011 for the course CH 369 taught by Professor Kbrowning during the Spring '07 term at University of Texas at Austin.

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ch369_3-8sp11_op_3_notes - Painter 3.02 For exam #1,...

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