polysaccharides
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6 Terms
1
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Glycogen
Alpha glucose 1,4 1,6 bonds
Side branches 1,6 to release glucose
Large coiled compact-good storage
Insoluble- don’t affect water potential
2
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Starch
Alpha glucose- only in plants
Amylose
Amylopectin
Compact
Insoluble-don’t affect water potential
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Amylose
Unbranched 1,4 chain
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Amylopectin
Branched 1,4 and 1,6 bond
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Cellulose
Beta glucose-unbranched
Form microfibrils
Stop cell wall from bursting
Exert inward pressure to prevent water influx
Cells stay rigid and turgid to maximise surface area
6
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Microfibrils
Strong threads made of long cellulose chains running parallel to one another and joined by hydrogen bonds forming strong cross linkage
Note 
Flashcards (20)