三股螺旋结构例句>> 4) helical structure 螺旋结构 1. Micro-scale and nano-scale fiber with helical structure had potential applications. 天然纤维大多具有一种自扭曲螺旋结构,这种结构使得天然纤维具有较强的柔韧性和很高的孔隙度。 2. Two kinds of quantitative deductions of optical value in molecular...
“嘧啶型”三螺旋或嘧啶-嘌呤-嘧啶(y·ry)型三螺旋中,第三条嘧啶链以平行于watson-crick双螺旋中嘌呤链的方向,缠绕到双螺旋的大沟上;专一性地与嘌呤链结合。例如,典型的y·ry型三螺旋t·at和c+·gc,其专一性体现在t对at,质子化的c对gc的识别。这些三螺旋的结构基本单位是三碱基体。t·at和c+·gc三螺...
三螺旋结构寡核苷酸 1. Objective To observe the reaction and effects of artificial synthesized antisense oligonucleotide (ASON), triple helix forming oligonucleotide (TFO) specially binding to the target gene sequences from 5 nontranslated region of human hepatitis A RNA and X/C region of duck hepat...