The molecule cellulose that we find in the paper is similar to the carbohydrate that mashed potatoes contain.
We know that a compound is one that is formed by the combination of two or more molecules. There are various kinds of compound and we tend to segregate them on the basis of the way that the atoms are combined so as to give rise to the molecule.
In this case, we have so many smaller units that are coming together so as to forma a larger unit and the larger unit that have been formed is what we call a polysaccharide since there are very many atoms that are present in it.
Both the paper carbohydrate molecule found in mashed potatoes are composed of glucose monomers and are poly saccharides. And this is the commonality between the two kinds of molecules.
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