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Glycolysis terms

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  • 1. Definitions for Glycolysis
  • 2. Glycolosis
    • Ubiquitous metabolic pathway in the cytosol in which sugars are incompletely degraded with production of ATP (“sugar splitting”)
  • 3. Glucose
    • Six-carbon sugar that plays a major role in the metabolic of living cells; stored in polymeric form as glycogen in animal cells and as starch in plant cells.
  • 4. Pyruvate
    • Metabolite formed from the breakdown of glucose that provides a crucial link to the citric acid cycle and many biosynthetic pathways.
  • 5. NAD + (nicotine adenine dinucleotide) Activated carrier molecule that participates in an oxidation reaction by accepting a hydride ion (H-) from a donor molecule, thereby producing NADH. Widely used in the energy-producing breakdown of sugar molecules.
  • 6. ATP ( Adenosine triphosphate)
    • The molecule from which cells derive energy. Comprised of an adenosine molecule bonded to three phosphates, each phosphate bond contains energy, especially the third bond. By breaking that one bond and reducing ATP to adenosine diphosphate (ADP), the cell can get the energy to carry out its various processes.
  • 7. Gluconegenesis A metabolic pathway that results in the generation of glucose from non-carbohydrate carbon substrates such as lactate, glycerol, and glycogenic amino acids.
  • 8. Alcoholic fermentation
    • The process that converts pyruvate to carbon dioxide and ethanol that takes place in yeast under anaerobic conditions.
  • 9. Hexokinase
    • The glycolytic enzyme responsible for catalyzing the reaction that transfers a phosphate group from a molecule of ATP to a 6-membered glucose ring.
  • 10. Aldolase
    • The glycolytic enzyme responsible for catalyzing the reaction that converts fructose-1,6-bisphosphate to glyceraldehyde-3-phosphate (GAP) and dihydroxyacetone phosphate (DHAP).
  • 11. Homolactic fermentation
    • The process that converts pyruvate into lactate while oxidizing NADH to NAD under anaerobic conditions.
  • 12. Phosphorlation
    • A reaction that transfers a phosphate group from one molecule to another.
  • 13. Alcohol dehydrogenase
    • The glycolytic enzyme responsible for catalyzing the reaction that converts acetaldehyde to ethanol in the alcoholic fermentation of pyruvate.

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