I think its because it has layers to separate the sugar's
1) The function of a protein is determined by its shape. The shape of a protein is determined by its primary structure. The sequence of amino acids in a protein is determined by the sequence of nucleotides in the gene DNA encoding it.
The term that refers to similarities and differences among people including those such as race, age, ethnicity, physical abilities and characteristics, and gender is known as surface-level diversity
