trinucleotide
简明释义
英[traɪˈnjuːklɪətaɪd]美[traɪˈnjʊklɪətɪd]
n. 三核苷酸
英英释义
A trinucleotide is a sequence of three nucleotides, which are the building blocks of nucleic acids like DNA and RNA. | 三核苷酸是一种由三个核苷酸组成的序列,核苷酸是DNA和RNA等核酸的基本构件。 |
单词用法
三核苷酸重复 | |
三核苷酸序列 | |
三核苷酸密码子 | |
三核苷酸突变 | |
扩展的三核苷酸重复 | |
三核苷酸多态性 |
同义词
反义词
单核苷酸 | 单核苷酸是核酸的基本组成部分。 | ||
二核苷酸 | Dinucleotides can play important roles in cellular signaling. | 二核苷酸在细胞信号传导中可以发挥重要作用。 |
例句
1.Dinucleotide and trinucleotide repeats with similar frequency are the main types, accounting for 89.05% of all the SSRs.
二核苷酸重复和三核苷酸重复是主要的类型,二者出现的频率基本相近,占总ssr的89.05%。
2.Dinucleotide and trinucleotide repeats with similar frequency are the main types, accounting for 89.05% of all the SSRs.
二核苷酸重复和三核苷酸重复是主要的类型,二者出现的频率基本相近,占总ssr的89.05%。
3.Trinucleotide repeat was the most abundant SSR types.
三碱基重复的SSR是六类SSR中最丰富的一类。
4.The sequence of the trinucleotide 三核苷酸 repeat can indicate genetic disorders.
该三核苷酸重复序列可以指示遗传疾病。
5.Researchers found that a specific trinucleotide 三核苷酸 expansion is linked to Huntington's disease.
研究人员发现特定的三核苷酸扩展与亨廷顿舞蹈症有关。
6.In molecular biology, a trinucleotide 三核苷酸 is a sequence of three nucleotides that codes for an amino acid.
在分子生物学中,三核苷酸是编码氨基酸的三个核苷酸的序列。
7.The genetic code is composed of various trinucleotide 三核苷酸 combinations.
遗传密码由各种三核苷酸组合组成。
8.A mutation in a single trinucleotide 三核苷酸 can lead to significant changes in protein function.
单个三核苷酸的突变可能导致蛋白质功能的重大变化。
作文
In the vast landscape of molecular biology, the term trinucleotide (三核苷酸) holds significant importance. A trinucleotide refers to a sequence of three nucleotides, which are the building blocks of DNA and RNA. Each nucleotide consists of a sugar, a phosphate group, and a nitrogenous base. The specific arrangement of these nucleotides determines the genetic code that governs the traits and functions of living organisms. Understanding trinucleotides is crucial for various fields, including genetics, biochemistry, and biotechnology. One of the most fascinating aspects of trinucleotides is their role in coding for amino acids, which are the building blocks of proteins. In the genetic code, a set of three nucleotides corresponds to a specific amino acid. For instance, the trinucleotide sequence AUG codes for the amino acid methionine, which also serves as the start signal for protein synthesis. This relationship between trinucleotides and amino acids highlights the intricate connection between nucleic acids and proteins, emphasizing the central dogma of molecular biology: DNA is transcribed into RNA, which is then translated into proteins. Moreover, variations in trinucleotide sequences can lead to genetic diversity among individuals. These variations may occur due to mutations, which are changes in the nucleotide sequence of DNA. Some mutations can be benign, while others may result in genetic disorders. For example, certain diseases, such as Huntington's disease, are associated with the expansion of a specific trinucleotide repeat in the gene responsible for producing a protein involved in nerve function. This illustrates how a seemingly small change at the level of trinucleotides can have profound effects on an organism's health and development. The study of trinucleotides has also paved the way for advancements in genetic engineering and synthetic biology. Scientists can manipulate trinucleotide sequences to create genetically modified organisms (GMOs) that exhibit desired traits, such as increased resistance to pests or enhanced nutritional content. By understanding the role of trinucleotides in gene expression and regulation, researchers can develop innovative solutions to address global challenges, including food security and disease prevention. In conclusion, the concept of trinucleotide (三核苷酸) is fundamental to our understanding of genetics and molecular biology. From coding for proteins to contributing to genetic diversity and enabling biotechnological advancements, trinucleotides play a pivotal role in the life sciences. As research continues to uncover the complexities of these molecular structures, we gain deeper insights into the mechanisms that govern life itself. The exploration of trinucleotides not only enriches our knowledge but also opens new avenues for scientific discovery and innovation.
在分子生物学的广阔领域中,术语trinucleotide(三核苷酸)具有重要意义。trinucleotide指的是三个核苷酸的序列,而核苷酸是DNA和RNA的基本构件。每个核苷酸由一个糖、一个磷酸基团和一个氮碱基组成。这些核苷酸的具体排列决定了遗传密码,从而影响生物体的特征和功能。理解trinucleotides对于遗传学、生物化学和生物技术等多个领域至关重要。 trinucleotides最迷人的方面之一是它们在编码氨基酸中的作用,氨基酸是蛋白质的构建块。在遗传密码中,一组三个核苷酸对应于特定的氨基酸。例如,trinucleotide序列AUG编码氨基酸甲硫氨酸,同时也作为蛋白质合成的起始信号。这种trinucleotides与氨基酸之间的关系突显了核酸与蛋白质之间的复杂联系,强调了分子生物学的中心法则:DNA被转录为RNA,然后翻译成蛋白质。 此外,trinucleotide序列的变异可以导致个体之间的遗传多样性。这些变异可能由于突变而发生,突变是DNA核苷酸序列的变化。有些突变可能是良性的,而另一些可能导致遗传疾病。例如,某些疾病,如亨廷顿舞蹈症,与负责产生参与神经功能的蛋白质的基因中特定trinucleotide重复的扩展有关。这说明了在trinucleotides层面上看似微小的变化如何对生物体的健康和发育产生深远的影响。 对trinucleotides的研究还为基因工程和合成生物学的进步铺平了道路。科学家可以操控trinucleotide序列,以创造出表现出所需特征的转基因生物(GMO),例如提高对害虫的抵抗力或增强营养含量。通过理解trinucleotides在基因表达和调控中的作用,研究人员可以开发创新解决方案,以应对全球挑战,包括食品安全和疾病预防。 总之,trinucleotide(三核苷酸)的概念是我们理解遗传学和分子生物学的基础。从编码蛋白质到促进遗传多样性,再到推动生物技术进步,trinucleotides在生命科学中发挥着关键作用。随着研究不断揭示这些分子结构的复杂性,我们对支配生命本身的机制有了更深入的理解。对trinucleotides的探索不仅丰富了我们的知识,还为科学发现和创新开辟了新的途径。
文章标题:trinucleotide的意思是什么
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