Glycogen Molecules Can Vary Greatly in Size, Yet All Glycogen

Glycogen molecules can vary greatly in size, yet all glycogen molecules perform the same function.Proteins can also vary greatly in size; however, proteins also vary greatly in function.Which statement best explains this difference between glycogen and proteins?

A) Glycosidic bonds link the monomers that make up glycogen, whereas peptide bonds link the monomers that make up proteins.
B) The monomers making up glycogen are characterized by their many hydroxyl (-OH) groups, whereas the monomers making up proteins are characterized by their amino (NH₂) and carboxyl (COOH) groups.
C) Glycogen molecules are highly branched in structure, whereas proteins consist of long, unbranched polymer chains.
D) Glycogen molecules are composed of one type of monomer, whereas proteins consist of twenty different monomers with different properties.
E) The monomers making up glycogen can convert between ring structures and straight-chain forms, whereas the monomers making up proteins do not undergo these changes.

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