polynucleotide

简明释义

英[pɒlɪˈnjuːklɪətaɪd]美[ˌpɑliˈnʊkliəˌtaɪd;ˌpɑliˈnjʊk

n. [生化] 多核苷酸

英英释义

单词用法

同义词

反义词

例句

1.The present invention discloses a novel polypeptide-ribosome protein S4-13, polynucleotide for coding this polypeptide and a method for producing this polypeptide by using DNA recombination technique.

本发明公开了一种新的多肽——核糖体蛋白s4 - 13，编码此多肽的多核苷酸和经dNA重组技术产生这种多肽的方法。

2.It also discloses the application of the polynucleotide coding said novel human phosphatidase 14.

本发明还公开了编码这种新的人磷脂酶14的多核苷酸的用途。

3.Experiments prove that the dead rate of the high dose group or the medium dose group of the polynucleotide microcapsule is obviously lower than that of an infectious control group.

试验证明，多聚核苷酸微囊高、中剂量组死亡率显著低于感染对照组的死亡率。

4.DNA is made of polynucleotides, and it is the specific sequence of bases along a polynucleotide chain that determines the biological proteins of the polymer.

DNA是由核苷酸，它是多核苷酸链，沿着决定了聚合物的生物蛋白基地的特定序列。

5.OBJECTIVE:Selection of optimal chromatographic conditions for purification of polynucleotide phosphorylase in fast ion-exchange chromatography.

目的：选择多核苷酸磷酸化酶快速离子交换层析的最佳条件。

6.The present invention also provides an immunogenic composition comprising the polynucleotide adjuvant composition together with an antigen (e. g., as in a vaccine).

本发明亦提供一种免疫原组成物，包含该聚核苷酸佐剂组合物和抗原(例如此二种成份位于一疫苗内)。

7.Novel plant derived regulatory sequences and constructs and methods of using such sequences for directing expression of exogenous polynucleotide sequences in plants are provided.

本发明提供了新的植物衍生的调控序列和构建体以及使用这种序列指导外源多核苷酸序列在植物中表达的方法。

8.The synthesis of polynucleotide 多核苷酸 chains is essential for DNA replication.

合成多核苷酸链对于DNA复制至关重要。

9.Scientists use enzymes to manipulate polynucleotide 多核苷酸 sequences for genetic engineering.

科学家使用酶来操控多核苷酸序列以进行基因工程。

10.Researchers are studying the role of polynucleotide 多核苷酸 sequences in gene expression.

研究人员正在研究多核苷酸序列在基因表达中的作用。

11.In molecular biology, a polynucleotide 多核苷酸 can refer to either RNA or DNA.

在分子生物学中，多核苷酸可以指RNA或DNA。

12.The structure of DNA is a double helix formed by two strands of polynucleotide 多核苷酸 chains.

DNA的结构是由两条多核苷酸链形成的双螺旋。

作文

In the realm of molecular biology, the term polynucleotide refers to a long chain-like structure made up of numerous nucleotide units linked together. Nucleotides themselves are the building blocks of nucleic acids, which include DNA and RNA. Each nucleotide consists of three components: a nitrogenous base, a sugar molecule, and a phosphate group. The sequence and arrangement of these nucleotides determine the genetic information carried by an organism. Understanding polynucleotide structures is crucial for various biological processes, including replication, transcription, and translation.The significance of polynucleotide chains can be observed in the double helix structure of DNA. In this structure, two strands of polynucleotide are intertwined, forming a stable and compact configuration that protects genetic information. The specific pairing of nitrogenous bases—adenine with thymine, and cytosine with guanine—ensures accurate replication during cell division. This complementary nature of polynucleotide strands is fundamental to the fidelity of genetic inheritance.On the other hand, RNA, which is also a type of polynucleotide, plays a different yet equally vital role in the cell. Unlike DNA, RNA is usually single-stranded and can fold into various shapes, allowing it to perform diverse functions such as acting as a messenger between DNA and ribosomes, where proteins are synthesized. Messenger RNA (mRNA), transfer RNA (tRNA), and ribosomal RNA (rRNA) are all forms of polynucleotide that work together to translate genetic information into functional proteins.The study of polynucleotide has far-reaching implications in fields such as genetics, biotechnology, and medicine. For instance, advancements in DNA sequencing technologies have revolutionized our understanding of genomes, leading to breakthroughs in personalized medicine and genetic engineering. Researchers manipulate polynucleotide sequences to develop gene therapies for genetic disorders, demonstrating the practical applications of this knowledge.Moreover, the concept of polynucleotide extends beyond natural biological systems. Scientists are exploring synthetic polynucleotide chains to create novel materials and nanostructures. These synthetic polymers mimic natural nucleic acids and can be engineered for specific functions, such as targeted drug delivery or biosensing applications. This intersection of biology and materials science highlights the versatility of polynucleotide structures.In conclusion, the term polynucleotide encapsulates a fundamental aspect of molecular biology, representing the intricate and essential chains of nucleotides that underpin life itself. From the stability and replication of DNA to the diverse roles of RNA in protein synthesis, polynucleotide structures are at the heart of genetic information flow. As research continues to unravel the complexities of these molecules, the potential for innovation in medicine and technology remains vast. Understanding polynucleotide is not only crucial for students and researchers but also for anyone interested in the underlying principles of life and the future of biotechnology.

在分子生物学领域，术语polynucleotide指的是由多个核苷酸单元连接在一起形成的长链结构。核苷酸本身是核酸（包括DNA和RNA）的基本组成部分。每个核苷酸由三部分组成：氮碱基、糖分子和磷酸基团。这些核苷酸的序列和排列决定了生物体携带的遗传信息。理解polynucleotide结构对于复制、转录和翻译等各种生物过程至关重要。polynucleotide链的重要性可以在DNA的双螺旋结构中观察到。在这一结构中，两条polynucleotide链相互缠绕，形成稳定紧凑的构型，从而保护遗传信息。氮碱基的特定配对——腺嘌呤与胸腺嘧啶配对，胞嘧啶与鸟嘌呤配对——确保了细胞分裂过程中准确的复制。这种polynucleotide链的互补特性是遗传继承可靠性的基础。另一方面，RNA也是一种polynucleotide，在细胞中发挥着不同但同样重要的作用。与DNA不同，RNA通常是单链的，可以折叠成多种形状，使其能够执行多种功能，例如作为DNA与核糖体之间的信使，在那里合成蛋白质。信使RNA（mRNA）、转运RNA（tRNA）和核糖体RNA（rRNA）都是polynucleotide的形式，它们共同工作，将遗传信息转化为功能性蛋白质。对polynucleotide的研究在遗传学、生物技术和医学等领域具有深远的影响。例如，DNA测序技术的进步彻底改变了我们对基因组的理解，导致个性化医学和基因工程的突破。研究人员操纵polynucleotide序列以开发针对遗传疾病的基因治疗，展示了这一知识的实际应用。此外，polynucleotide的概念超越了自然生物系统。科学家们正在探索合成polynucleotide链，以创造新型材料和纳米结构。这些合成聚合物模仿天然核酸，并可以被设计用于特定功能，例如靶向药物输送或生物传感应用。这一生物学与材料科学的交叉点突显了polynucleotide结构的多功能性。总之，术语polynucleotide概括了分子生物学的一个基本方面，代表了支撑生命本身的复杂且至关重要的核苷酸链。从DNA的稳定性和复制到RNA在蛋白质合成中的多样角色，polynucleotide结构是遗传信息流动的核心。随着研究不断揭开这些分子的复杂性，在医学和技术创新方面的潜力依然巨大。理解polynucleotide不仅对学生和研究人员至关重要，也对任何对生命的基本原理及生物技术的未来感兴趣的人来说都至关重要。