poly a tail造句

例句与造句

Sequence analysis the cdna clone contains an 546bp orf ( open reading fragment ) encoding a predicted protein of 181 amino acids with molecular weight of 20 . 7kd , 130bp 5 ' non - coding region and 152bp 3 " non - coding region including polyadenylation signal sequence aattaa and poly a tail . 3
棉花arf基因的序列分析核苷酸序列分析表明， gharf的全长为828bp ，其中含有一个从131bp到676bp间的546bp构成的一个完整开放阅读框，它编码181个氨基酸、分子量为20 . 7kd的蛋白质。
It's difficult to find poly a tail in a sentence. 用poly a tail造句挺难的