linear dna造句

例句与造句

1. The overall structure of the chromosome of s . nanchangensis ns3226was shown to be linear dna molecule with covalently bound terminal proteins . the chromosome telomeres of this strain were seemingly to lie on the two largest chromosomal asei fragments , but the conclusion needs to be refined
   本研究还对南昌链霉菌ns3226染色体的结构进行了探索，初步揭示野生型南昌链霉菌ns3226的染色体为线性dna分子，末端具有共价结合的末端蛋白，染色体的末端可能处于染色体中最大的两条ase片段上。
2. To find dnaase in the earthworm the tissue extract of earthworm with different concentration reacted with rna , circular dna , linear dna for an hour at 37 , then the producetion was detected by 1 % agrose gel . the tissue extract of earthworm , the tissue protein extract of earthworm and the tissue extract of earthworm without protein reacted with pbv220 - r - inf for an hour at 37 , then the producetion was detected by 1 % agrose gel . 2
   双胸蚓组织中dna酶的发现用不同浓度的双胸蚓组织提取液与rna 、环状dna及线状dna在37反应1小时后用1的琼脂糖凝胶电泳对其反应产物进行观察；双胸蚓组织粗提取液、双胸蚓组织蛋白粗提取液及双胸蚓组织去蛋白提取液分别与pbv220 - ? inf质粒37反应1小时后用1的琼脂糖凝胶电泳对其反应产物进行观察。
3. It's difficult to find linear dna in a sentence. 用linear dna造句挺难的