complementary base造句

Complementary base sequence
互补碱基序列
A pair of primers were designed according to the published sequence of gnrh2 ' s gene mrna and transporter gene with oligo version 4 . 1 softwarre , they were annealed by their 3 ' terminal brief complementary base sequence to form small segment double chain , therery , they serve mutually as template and primer , and their extension were carried out to synthesize 90 bp " gnrh / trs
本研究根据genbank中已发表的人gnrh2基因mrna序列以及转运肽( transporter ， trs )基因核苷酸序列，借助oligo4 . 1设计了一对寡核苷酸引物，以引物3末端的短互补序列退火形成小段双链，从而互为模板和引物，通过引导合成长达90bp的gnrh trs序列gnrh trs 。
It's difficult to find complementary base in a sentence. 用complementary base造句挺难的