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Structure of Starch, Cellulose and Glycogen

Lauren Bailee Biology AS level Inglés 3 fichas

Structure of Starch, Cellulose and Glycogen

Fichas del conjunto (3)

  1. 1Structure of starchMonomer: Alpha-Glucose
    Wound into tight helix; Compact+more stored in a given volume.
    Insoluble; Doesn't effect water potential
    Large; Will not diffuse out of cells
    Hydrolysed to alpha-glucose; Easily transported+used in respiration
    Branched form has many ends; Enzymes (amylase) can break down all at same time= Monomers quickly released.
    Structure of starch
  2. 2Structure of CelluloseMonomer: Beta-Glucose
    Straight, unbranched chains that run parallel to each other.
    Hydrogen bonds form between chains= Cross-linkages
    Bonds are very weak alone but amount of them produces strong MICROFIBRIL which are arranged into FIBRES (More strength) and make up the cell wall.
    Structure of Cellulose
  3. 3Structure of GlycogenMonomer: Alpha-Glucose
    More branched than starch + Shorter= Quicker Breakdown
    Compact= Store a lot in a little space
    Insoluble= No effect on w.p.
    Large= Will not diffuse out of cell
    Hydrolysed to a-glucose= Easy to transport + use for respiration
    Structure of Glycogen

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Descripción
Structure of Cellulose, Glycogen and Starch and how their features relate to their function
Creado por
Lauren Bailee
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