1.3 explain the relationship between the structure and function of sucrose
sucrose is a disaccharide made from a condensation reaction between alpha glucose and beta fructose
Diagram showing condensation reaction
source
The condensation reaction involves the formation of water and the bond that forms is a glycosidic bond which is a type of covalent bond.
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function of sucrose
sucrose is polar and water soluble but not as reactive as glucose. This makes sucrose a good transport sugar because it is less reactive and so there is faster transport