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- DNA and RNA are both types of nucleic acid. 脱氧核糖核酸和核糖核酸是两种类型的核酸。
- Nucleotides are the building block units of nucleic acids. 核苷是组成核酸的构造单元。
- evolution of nucleic acids 核酸的进化
- Each step of the double helix is a base made up of two kinds of nucleic acid. 每阶二重螺旋线都是一个碱基,由两种核酸组成。
- Interspecific hybridization of nucleic acids is a method of this type currently being developed. 核酸的种间杂交便是当前正在发展的这样一种方法。
- The two strands of the double helix are linked by pairs of nucleic acids like the treads in a spiral staircase. 这个双螺旋结构的两股之间是由成对的核酸联结的,它们就像螺旋式楼梯中的踏步板。
- Thus the information content in the sequence of nucleic acids would gradually evolve and increase in complexity. 核酸系列中的信息含量就这样逐渐进化并越来越复杂。
- Two major kinds of nucleic acids are found in living things: deoxyribonucleic acid or DNA and ribonucleic acid or RNA. 生物中存在着两大类核酸:脱氧核糖酸和核糖核酸。
- Techniques involved include chromatography and electrophoresis, and the sequencing of nucleic acids and proteins. 相关的技术包括:色谱技术,电泳和核酸及蛋白质的序列分析。
- Spanish-born American biochemist. He shared a1959 Nobel Prize for work on the biological synthesis of nucleic acids. 奥乔阿,塞文洛生于1905生于西班牙的美国生化学家,因其在核酸生物合成上的工作,而荣获1959年诺贝尔奖。
- This paper describes the cleavage of nucleic acids by lanthanides and their complexes and the acting mechanism. 本文综述了稀土及其配合物对核酸的断裂作用, 并对其断裂机制进行了探讨。
- Idea for routine analysis of nucleic acids(>=1kb) by gel electrophoresis and blotting.DNase,RNase-free. 无DNase、RNase活力,高强度,低背景,适用于分离大于1kb的DNA样品。
- The space program is the evolution of years of research. 太空计划是多年研究的发展结果。
- Based on your knowledge of nucleic acid chemistry, suggest a technique to identify the mutant form of rpoB. 在你的核酸化学知识的基础上,提议一种技术来鉴定rpoB的突变形式。
- Folic acid is necessary for synthesis of nucleic acids and formation of the heme component of hemoglobin in red blood cells. 叶酸对核酸的合成及红血球中血红蛋白的血红素的形成来说是必需的。
- Do you know about the evolution of a seed into a plant? 你知道从种子发展成为植物的过程吗?
- A complex of nucleic acids and proteins in the cell nucleus that stains readily with basic dyes and condenses to form chromosomes during cell division. 染色质,核染质细胞核中由核酸与蛋白质组成的核酸复合物,容易被基本染料染色,在细胞分裂期会浓缩而形成染色体。
- DNA (deoxyribonucleic acid) is a class of nucleic acid, containing elements for deoxyribose named. 脱氧核糖核酸)是核酸的一类,因分子中含有脱氧核糖而得名。
- The evolution of heat from the sun is inestimable. 从太阳中放射出的热是无法估计的。
- The changes of nucleic acid, protein and starch content in ovules during the longan's embryo development were studied. 摘要对龙眼胚胎发育过程中胚珠内核酸、蛋白质和淀粉含量的变化进行了研究。