6973484
Description
Flashcards by Lauren Bailee, updated more than 1 year ago
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Created by Lauren Bailee
over 7 years ago
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| Question | Answer |
| Structure of starch | Monomer: 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 Cellulose | Monomer: 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 Glycogen | Monomer: 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 |
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