関連ワード:
dna is made of smaller units called what dna is made of small units called dna is composed of smaller units called dna is constructed of smaller units called dna is made up of smaller units called dna is made up of small units called dna is composed of smaller units known as dna is made up of thousands of smaller units called dna and rna are made of smaller units called dna is made up of lots of tiny units called
