例句與造句

1. Meanwhile , base composition in rrna genes , the secondary structrues of trna and the potential stem - loop structure in the noncoding region were also analysesed in the present study
   同時(shí)分析了d1na基因的堿基組成、 trna的二級(jí)結(jié)構(gòu)、非編碼區(qū)潛在的莖環(huán)結(jié)構(gòu)。
2. 2073 bp fragment of rubisco was cloned , sequenced and analyzed from a . platensis fachb341 , including partial sequence of rbcl gene , rbcx gene and rbcs gene . there are two transcription stem - loop termination structures downstream of the 3 " sequence of rbcl gene
   分析結(jié)果顯示此基因的結(jié)構(gòu)如下： 11230hp為rbcl基因； 1362 1727hp為rbcx基因； 1776 2073hp為rbcs基因： rbcl和rbcx基因之間存在rbcl基因的兩個(gè)轉(zhuǎn)錄莖環(huán)結(jié)構(gòu)， 1732上為核糖體結(jié)合位點(diǎn)ggag 。
3. It's difficult to find stem-loop in a sentence. 用stem-loop造句挺難的