Concept map on metabolism
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Create a concept map using the below words. Provide a summary of your map, including how the words are related to each other and the overall concept.
Hexokinase
Glucose
Glycolysis
Krebs cycle
Electron Transport Chain
Pyruvic acid
Acetyl - CoA
Fermentation
Lactic acid
Ethanol
Cytochrome oxidase
ATP
NADH
Glyceraldehyde-3-phosphate
Coenzyme-Q
Carbon dioxide
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Solution Summary
In about 600 words, this solution discusses respiration and how each of the terms are related. A concept map is also provided in an attached Word file.
Solution Preview
The first step in respiration is glycolysis. The pathway of glycolysis can be seen as consisting of 2 separate phases. The first is the chemical priming phase requiring energy in the form of ATP, and the second is considered the energy-yielding phase. In the first phase, 2 equivalents of ATP are used to convert glucose to fructose 1,6-bisphosphate (F1,6BP). In the second phase F1,6BP is degraded to pyruvate, with the production of 4 equivalents of ATP and 2 equivalents of NADH. The ATP-dependent phosphorylation of glucose to form glucose 6-phosphate (G6P) is the first reaction of glycolysis, and is catalyzed by tissue-specific isoenzymes known as hexokinases.
Pyruvate is the branch point molecule of glycolysis. The ultimate fate of pyruvate depends on the oxidation state of the cell. In the reaction catalyzed by G3PDH a molecule of NAD+ is reduced to NADH. In order to maintain the re-dox state of the cell, this NADH must be re-oxidized to NAD+. ...
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