Self Test Chapter 16ak1

Self Test Chapter 16ak1 - Self Test Chapter 16666 In...

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Self Test Chapter 16666 In addition to the problems in this homework set, I recommend working all of the problems from the text, p 465. 1.) Write the balanced equation for the formation of glycogen from galatose. 1. Glucose-1-phosphate + UTP ± UDP-glc + PPi UDP-glucose pyrophosphorylase 2. PPi + H 2 O ± 2Pi Pyrophosphatase 3. Galactose + ATP ± Galactose-1-phosphate + ADP Galactokinase 4. Galactose-1-phosphate + UDP-glucose ± Glucose-1-P + UDP-Galactose G-1-P uridylyl transferase 5. UDP-Galactose ± UDP-Glucose C4-UDP-gal epimerase 6. UDP-Glucose + Glycogen n ± UDP + Glycogen n+1 Glycogen synthase Sum: Galactose + ATP +UTP + H 2 O + Glycogen n ± Glycogen n+1 + ADP + UDP + 2Pi 2.) In terms of energy yield, phosphorolysis is preferable to hydrolysis in the breakdown of glycogen because: (A) Glycogen phosphorylase has a higher V max value than any other glycosidase. (B) Glucose 1-phosphate yields more net ATP than free glucose yields when catabolized into pyruvate. (C) The products of hydrolysis cannot be metabolized by the glycolytic pathway. (D)
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This note was uploaded on 04/11/2010 for the course BICH bich 411 taught by Professor Bryantmiles during the Spring '10 term at Texas A&M.

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Self Test Chapter 16ak1 - Self Test Chapter 16666 In...

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