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In which one of the following groups, all the three are examples of polysaccharides?

1. Starch, glycogen, cellulose
2. Sucrose, maltose, cellulose
3. glucose, fructose, lactose
4. Galactose, starch, sucrose

Correct answer: Starch, glycogen, cellulose

Solution

Starch, glycogen, and cellulose are all polysaccharides because each is a large polymer made of many glucose units. The other options include mono- or disaccharides such as glucose, fructose, sucrose, maltose, lactose, or galactose.

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