deoxyribonucleic acid (DNA)

简明释义

脱氧核糖核酸

英英释义

例句

1.The structure of deoxyribonucleic acid (DNA) is often described as a double helix.

脱氧核糖核酸 (DNA)的结构通常被描述为双螺旋。

2.Forensic scientists analyze deoxyribonucleic acid (DNA) samples to solve crimes.

法医科学家分析脱氧核糖核酸 (DNA)样本以解决犯罪案件。

3.Scientists use deoxyribonucleic acid (DNA) sequencing to understand genetic diseases.

科学家使用脱氧核糖核酸 (DNA)测序来了解遗传疾病。

4.Gene therapy often involves modifying deoxyribonucleic acid (DNA) to treat diseases.

基因疗法通常涉及修改脱氧核糖核酸 (DNA)以治疗疾病。

5.Every living organism has deoxyribonucleic acid (DNA) that carries its genetic information.

每个生物体都有脱氧核糖核酸 (DNA)，它携带着遗传信息。

作文

In the realm of biology, few discoveries have had as profound an impact on our understanding of life as the discovery of deoxyribonucleic acid (DNA). This remarkable molecule is often referred to as the blueprint of life, as it contains the genetic instructions necessary for the growth, development, and functioning of all living organisms. The structure of deoxyribonucleic acid (DNA) is a double helix, which resembles a twisted ladder. Each rung of this ladder is made up of pairs of nucleotides, which are the basic building blocks of deoxyribonucleic acid (DNA). There are four types of nucleotides in deoxyribonucleic acid (DNA): adenine (A), thymine (T), cytosine (C), and guanine (G). The sequence of these nucleotides encodes the genetic information that determines the traits of an organism.The significance of deoxyribonucleic acid (DNA) extends beyond mere biological interest; it has revolutionized fields such as medicine, forensics, and anthropology. For instance, in medicine, understanding the role of deoxyribonucleic acid (DNA) has led to breakthroughs in genetic testing and gene therapy. Genetic testing allows individuals to understand their predisposition to certain diseases by analyzing their deoxyribonucleic acid (DNA). This information can be crucial for early intervention and personalized treatment plans. Furthermore, gene therapy aims to treat or prevent diseases by altering the genes within a patient's cells, showcasing the potential of deoxyribonucleic acid (DNA) manipulation.In forensics, deoxyribonucleic acid (DNA) analysis has become a cornerstone of criminal investigations. By comparing samples of deoxyribonucleic acid (DNA) found at crime scenes with those of suspects, law enforcement agencies can establish connections and identify perpetrators with a high degree of accuracy. This application of deoxyribonucleic acid (DNA) technology has not only aided in solving crimes but has also exonerated individuals wrongfully convicted based on flawed evidence.Anthropologists and evolutionary biologists also rely on deoxyribonucleic acid (DNA) to trace the lineage and evolution of species. By analyzing the deoxyribonucleic acid (DNA) sequences of different organisms, scientists can reconstruct evolutionary relationships and understand how species have adapted over time. This research has provided insights into human evolution, migration patterns, and the genetic diversity that exists within populations.Despite its many benefits, the study of deoxyribonucleic acid (DNA) raises ethical questions and concerns. Issues such as genetic privacy, discrimination based on genetic information, and the implications of genetic engineering are hotly debated in society. As we continue to unlock the mysteries of deoxyribonucleic acid (DNA), it is imperative that we navigate these ethical challenges thoughtfully and responsibly.In conclusion, the discovery of deoxyribonucleic acid (DNA) has transformed our understanding of biology and opened new avenues for scientific research and application. From medicine to forensics and anthropology, deoxyribonucleic acid (DNA) plays a crucial role in various fields, highlighting its importance in the fabric of life. As we advance our knowledge of this fundamental molecule, we must also remain vigilant about the ethical implications that accompany its study and use.

在生物学领域，很少有发现对我们对生命的理解产生如此深远影响的发现，如脱氧核糖核酸（DNA）的发现。这种非凡的分子通常被称为生命的蓝图，因为它包含了所有生物体生长、发育和功能所需的遗传指令。脱氧核糖核酸（DNA）的结构是双螺旋，类似于一个扭曲的梯子。这个梯子的每一横档都是由成对的核苷酸组成，核苷酸是脱氧核糖核酸（DNA）的基本构建块。脱氧核糖核酸（DNA）中有四种类型的核苷酸：腺嘌呤（A）、胸腺嘧啶（T）、细胞嘧啶（C）和鸟嘌呤（G）。这些核苷酸的排列顺序编码了决定生物特征的遗传信息。脱氧核糖核酸（DNA）的重要性不仅仅在于生物学的兴趣；它还彻底改变了医学、法医学和人类学等领域。例如，在医学领域，了解脱氧核糖核酸（DNA）的作用导致了基因检测和基因治疗的突破。基因检测允许个体通过分析其脱氧核糖核酸（DNA）来了解他们对某些疾病的易感性。这些信息对于早期干预和个性化治疗方案至关重要。此外，基因治疗旨在通过改变患者细胞中的基因来治疗或预防疾病，展示了对脱氧核糖核酸（DNA）进行操控的潜力。在法医学中，脱氧核糖核酸（DNA）分析已成为刑事调查的基石。通过比较犯罪现场发现的脱氧核糖核酸（DNA）样本与嫌疑人的样本，执法机构可以建立联系并以高精度识别罪犯。这种脱氧核糖核酸（DNA）技术的应用不仅帮助解决了犯罪案件，还使一些因证据缺陷而错误定罪的个人得以平反。人类学家和进化生物学家也依赖于脱氧核糖核酸（DNA）追溯物种的血统和进化。通过分析不同生物的脱氧核糖核酸（DNA）序列，科学家可以重建进化关系，并了解物种如何随时间适应。这项研究提供了关于人类进化、迁徙模式以及种群内存在的遗传多样性的见解。尽管有许多好处，但对脱氧核糖核酸（DNA）的研究也引发了伦理问题和担忧。诸如基因隐私、基于遗传信息的歧视以及基因工程的影响等问题在社会上备受争议。随着我们继续解锁脱氧核糖核酸（DNA）的奥秘，我们必须认真负责地应对这些伦理挑战。总之，脱氧核糖核酸（DNA）的发现改变了我们对生物学的理解，并为科学研究和应用开辟了新的途径。从医学到法医学和人类学，脱氧核糖核酸（DNA）在各个领域发挥着至关重要的作用，突显了它在生命结构中的重要性。随着我们对这一基本分子的知识不断深入，我们还必须对伴随其研究和使用的伦理影响保持警惕。