There are several feeder pathways that lead other monosaccharides into glycolysis. Below are the reactions for D-mannose: CHEMICAL EQUATION Mannose + ATP → Mannose 6-phosphate ENZYME RESPONSIBLE AG° (kJ/mol) hexokinase -15.7 phosphomannose isomerase +2.5 Mannose 6-phosphate → Fructose 6-phosphate The AG° values for the full glycolytic pathway can be found in the following table. The reported values are for ONE MOLE of the appropriate reactant being converted into product. Step AG (/mol) Step AG" (/mol) 1 -16.7 6 +6.3 2 +1.7 7 -18.5 3 -14.2 8 +4.4 4 +23.8 9 +7.5 5 +7.5 10 -31.4 مل

There are several feeder pathways that lead other monosaccharides into glycolysis. Below are the reactions for D-mannose: CHEMICAL EQUATION Mannose + ATP → Mannose 6-phosphate ENZYME RESPONSIBLE AG° (kJ/mol) hexokinase -15.7 phosphomannose isomerase +2.5 Mannose 6-phosphate → Fructose 6-phosphate The AG° values for the full glycolytic pathway can be found in the following table. The reported values are for ONE MOLE of the appropriate reactant being converted into product. Step AG (/mol) Step AG" (/mol) 1 -16.7 6 +6.3 2 +1.7 7 -18.5 3 -14.2 8 +4.4 4 +23.8 9 +7.5 5 +7.5 10 -31.4 مل

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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A. Using a simplified series of diagrams describe how a cell can extract 38 molecules of ATP(net)from one molecule of glucoses. B.What is the difference between aerobic and anaerobic respiration? How is fermentation different from both of them? Discuss two common fermentations that we use to make everyday useful products.
Describe the process of pyruvate oxidation. Be as detailed as possible, including input and output.
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CHOOSE THE CORRECT LETTER. 1.Glycogenesis is favored when there is low ATP concentration. Glycogenolysis is favored when there is a low ATP concentration.A.Only the second statement is correctBoth statements are correctC.Only the first statement is correctD.Neither statements are correct
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Give the Steps, Enzyme/s involved, Electron carriers, ATP Generation, End product and significance of the following metabolic pathway: Lipid Metabolism (explain in 1-3 sentences only) P.S add row if necessary
A. Briefly explain the signaling pathway by which the liver coverts the stored carbohydrate to glucose and transports it to blood at low blood glucose level. In your answer, the signal pathway, source of glucose, key enzymes and proteins should be described. B. The diagram shows some of the reactions of respiration. Glucose Triose phosphate Pyruvate Lactate Acetylcoenzyme A (i) In the diagram on the Answer Sheet, draw and label by arrow to show the reaction that (a) requires ATP, and (b) produces CO2. (ii) In what condition and why is pyruvate converted to lactate?