Concept explainers
(a)
To explain: The way how glycerol enters to the glycolytic pathway.
Concept introduction: The conversion of glucose to pyruvate includes various energetically favorable and unfavorable reactions. The total conversion process is known as glycolysis. This pathway is called the glycolytic pathway.
(b)
To explain: The ATP yield for the conversion of glycerol to pyruvate.
Concept introduction: Glycerol enters to the glycolytic pathway in the metabolism of fructose that occurs in liver. Fructose enters to the liver in form of fructose-1-phosphate. Fructose-1-phospahte then undergoes aldolase reaction in the presence of fructose-1-phosphate aldolase forms glyceraldehydes and dihydroxy-acetone phosphate (DHAP). Glyceraldehyde undergoes dehydrogenation process in the presence of alcohol dehydogenase forms glycerol.
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