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Cellulose definitions

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  • Cellulose
    A linear homopolysaccharide of D-glucose units forming microfibrils that provide structural support in plant cell walls.
  • D-glucose
    A monosaccharide serving as the repeating unit in certain polysaccharides, contributing to their structural properties.
  • β-1,4-glycosidic bond
    A covalent linkage connecting glucose units in a specific orientation, conferring rigidity and resistance to digestion.
  • Homopolysaccharide
    A polymer composed of identical monosaccharide units, often associated with structural roles in biological systems.
  • Microfibril
    A bundle of linear polysaccharide chains that aggregate to form fibers, enhancing mechanical strength in plant tissues.
  • Plant cell wall
    A rigid structure surrounding plant cells, primarily composed of polysaccharide fibers that maintain cell shape and integrity.
  • Cellobiose
    A disaccharide consisting of two glucose molecules linked by a β-1,4-glycosidic bond, exemplifying resistance to enzymatic digestion.
  • Cellulase
    An enzyme capable of hydrolyzing β-1,4-glycosidic bonds, enabling the breakdown of certain polysaccharides.
  • Fiber
    A structural component in plant tissues formed by aggregated microfibrils, contributing to rigidity and support.
  • Indigestibility
    A property resulting from specific glycosidic linkages, preventing most animals from breaking down certain polysaccharides.
  • Polysaccharide
    A macromolecule composed of multiple monosaccharide units, varying in structure and function depending on linkage type.
  • Branched polysaccharide
    A polymer with multiple points of attachment between sugar units, contrasting with linear structures found in some plant fibers.
  • Structural function
    A role in maintaining the shape and integrity of biological tissues, often associated with specific polysaccharide linkages.
  • Scanning electron micrograph
    An imaging technique revealing detailed surface structures, such as the arrangement of fibers in plant cell walls.