A peptide with more than 100 amino acids? ...

peptide

monosaccharide

protein

nucleotide

disaccharide

polysaccharide

amino acid nucleic acid

Proteins are peptides that have more than 100 amino acids. In living organisms, proteins are an essential component to aid in metabolism and provide structural support. This is the reason why protein is such an important nutrient within the body, an insufficiency of such nutrient would lead to several forms of diseases.