関連ワード:  are proteins chains of amino acids    proteins are chains of amino acids. true false    proteins are chains of amino acids linked together    proteins are chains of amino acids linked together. true false    are proteins long chains of amino acids    are proteins just chains of amino acids    proteins are long chains of amino acids joined by    proteins are linear chains of amino acids linked by peptide bonds    proteins are linear chains of amino acids    are proteins made of chains of amino acids