dna ヌクレオチド 塩基
This site presents the aims and policies of. A nucleotide is composed of three distinctive chemical sub units. A five carbon sugar molecule a nucleobase the two of which together are called a nucleoside and one phosphate group with all three joined a nucleotide is also termed a nucleoside monophosphate nucleoside diphosphate or nucleoside triphosphate depending on how many phosphates make up the phosphate group.



























































































