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Intro to Glycolysis definitions

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  • Glycolysis

    A linear catabolic pathway in the cytosol that splits glucose into pyruvate, generating ATP and NADH without requiring oxygen.
  • Glucose

    A six-carbon monosaccharide serving as the starting molecule for energy extraction during carbohydrate catabolism.
  • Pyruvate

    A three-carbon molecule produced from glucose breakdown, serving as a key intermediate for further energy-yielding processes.
  • ATP

    A high-energy molecule generated and consumed during glycolysis, acting as the main energy currency of the cell.
  • NADH

    A high-energy electron carrier formed during glycolysis, crucial for transferring electrons in cellular respiration.
  • Cytosol

    The fluid portion of the cell where glycolysis occurs, distinct from the mitochondrial matrix.
  • Monosaccharides

    Simple sugars, such as glucose, that enter glycolysis after digestion and breakdown of carbohydrates.
  • Fermentation

    An anaerobic pathway following glycolysis, allowing energy production in the absence of oxygen.
  • Aerobic Respiration

    A process requiring oxygen that follows glycolysis, leading to further breakdown of pyruvate for maximal ATP yield.
  • Phosphorylation

    A reaction in glycolysis where a phosphate group is added to a molecule, often using ATP, to facilitate further breakdown.
  • Bond Cleavage

    A reaction in glycolysis where chemical bonds in glucose are broken, splitting it into smaller molecules.
  • Glyceraldehyde 3-Phosphate

    A three-carbon intermediate formed during glycolysis, serving as a substrate for energy-producing reactions.
  • Dephosphorylation

    A reaction in glycolysis where a phosphate group is removed from a molecule, contributing to ATP formation.
  • Catabolism

    A metabolic process involving the breakdown of complex molecules, such as carbohydrates, to release energy.
  • Mitochondrial Matrix

    The compartment inside mitochondria where later stages of carbohydrate catabolism occur, distinct from glycolysis.