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RELEVANT LEARNING OUTCOME:
(c) Describe the structures and properties of the following biomolecules and explain how these are related to their roles in living organisms: starch (including amylose and amylopectin), cellulose and glycogen (H2 only).
Overview of Polysaccharides
Overview of Polysaccharides
Watch the entire video for an overview of the three different polysaccharides you will need to learn and their structures and roles: starch, glycogen (H2 only) and cellulose.
Physical properties
Physical properties
Not sweet, not crystalline in appearance, and insoluble in water.
Chemical properties
Chemical properties
All are non-reducing, and thus chemically inert (i.e. not chemically reactive).
💡Types of Polysaccharides
💡Types of Polysaccharides
Storage Polysaccharide
Storage Polysaccharide
Food and energy stores
E.g. Starch and glycogen
Structural Polysaccharide
Structural Polysaccharide
Provide structural support to the organism
E.g. Cellulose
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Content
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