Muscle contractions are powered by the chemical adenosine triphosphate ( atp ) 肌肉收缩是由化学物质三磷酸腺苷( atp )提供动力的。
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Adenosine ( adenine nucleoside ) a nucleoside formed from adenine linked to dribose with a glycosidic bond . adenosine triphosphate ( atp ) is a nucleotide derived from adenosine 腺苷:腺嘌呤与d -核糖以糖苷键结合形成的核苷。 atp就是由腺苷中获得的核苷酸。