prokaryotes

简明释义

英[prəˈkɛəriəʊts]美[proʊˈkɛriˌoʊts]

n. [细胞]原核生物（prokaryote 的复数）

英英释义

单词用法

同义词

反义词

例句

1.Transformation, conjugation, and transduction are the main forms of horizontal gene transfer in prokaryotes, but no clear clue was related with the mechanism of horizontal gene transfer in eukaryotes.

原核生物基因水平转移的主要方式有转化、接合和转导，真核生物中水平转移发生方式尚不清楚。

2.Transformation, conjugation, and transduction are the main forms of horizontal gene transfer in prokaryotes, but no clear clue was related with the mechanism of horizontal gene transfer in eukaryotes.

原核生物基因水平转移的主要方式有转化、接合和转导，真核生物中水平转移发生方式尚不清楚。

3.The major and extremely significant difference between prokaryotes and eukaryotes is that eukaryotic cells contain membrane-bound compartments in which specific metabolic activities take place.

原核生物与真核生物之间最大也是最主要的区别就在于真核细胞在特殊的代谢活动发生的地方包含了拥有膜包围的间隔间。

4.Researchers had thought that only single-celled organisms such as prokaryotes and protozoa could live in the oxygen-deprived environments of the deepest ocean.

研究人过去一直认为，只有原核生物和原生生物这样的单细胞生物才能够在深海的缺氧环境中生存。

5.Not only does this definition exclude prokaryotes, protozoa, and fungi, but it specifically includes a term "gradual process" which should not be part of the definition.

这个定义不仅把原核生物、原生动物和真菌排除在外，而且它具体的包含了“渐进过程”这个词，它本不该属于这个定义。

6.Theory that introns were introduced into eukaryotes after the lineage separated from prokaryotes.

认为内含子是真核生物在与原核生物进化谱系分开以后才开始有的理论。

7.Unlike prokaryotes (原核生物), eukaryotes have a defined nucleus.

与prokaryotes（原核生物）不同，真核生物有一个明确的细胞核。

8.The study of prokaryotes (原核生物) is essential for understanding microbial ecosystems.

研究prokaryotes（原核生物）对理解微生物生态系统至关重要。

9.Many antibiotics target the unique features of prokaryotes (原核生物).

许多抗生素针对prokaryotes（原核生物）的独特特征。

10.Some prokaryotes (原核生物) can survive in extreme environments, such as hot springs.

一些prokaryotes（原核生物）可以在极端环境中生存，例如温泉。

11.Bacteria are classified as prokaryotes (原核生物) due to their simple cellular structure.

细菌被归类为prokaryotes（原核生物），因为它们的细胞结构简单。

作文

In the vast realm of biology, understanding the fundamental units of life is essential. Among these units, prokaryotes (原核生物) play a crucial role in the ecosystem and the evolution of life on Earth. Prokaryotes are unicellular organisms that lack a nucleus and other membrane-bound organelles. They are typically smaller than eukaryotic cells, which do possess a nucleus. This distinction is significant because it highlights the simplicity and efficiency of prokaryotes in various environments.One of the most fascinating aspects of prokaryotes is their incredible diversity. They can be found in almost every habitat on Earth, from the deepest oceans to the highest mountains, and even in extreme environments like hot springs and salt lakes. This adaptability is largely due to their metabolic versatility. Some prokaryotes are capable of photosynthesis, while others can survive by consuming organic matter or even inorganic substances. This metabolic diversity allows them to occupy ecological niches that many eukaryotic organisms cannot.Moreover, prokaryotes are vital for nutrient cycling in ecosystems. For instance, certain bacteria, which are a type of prokaryote, play an essential role in nitrogen fixation. They convert atmospheric nitrogen into forms that plants can use, thus supporting the growth of vegetation and, in turn, the entire food web. Without prokaryotes, many ecosystems would collapse due to nutrient deficiencies.In addition to their ecological importance, prokaryotes have significant implications for human health and industry. While some prokaryotes are pathogenic and can cause diseases, many others are beneficial. For example, gut bacteria, which are also prokaryotes, aid in digestion and contribute to our overall health. Furthermore, the biotechnology industry has harnessed the capabilities of prokaryotes for various applications, such as the production of antibiotics, enzymes, and biofuels.The study of prokaryotes has advanced significantly over the past few decades, particularly with the advent of molecular biology techniques. Researchers can now sequence the DNA of prokaryotes and gain insights into their genetic makeup, evolutionary history, and functional capabilities. This knowledge not only enhances our understanding of life’s diversity but also helps in the development of new medical treatments and environmental solutions.In conclusion, prokaryotes (原核生物) are more than just simple organisms; they are fundamental components of life on Earth. Their unique characteristics, ecological roles, and contributions to human health and industry underscore their importance. As we continue to explore the world of prokaryotes, we uncover new possibilities for innovation and sustainability. Understanding these remarkable organisms is crucial for addressing the challenges of the future, from environmental conservation to public health. The more we learn about prokaryotes, the more we appreciate the intricate web of life that sustains our planet.

在生物学的广阔领域中，理解生命的基本单位至关重要。在这些单位中，prokaryotes（原核生物）在生态系统和地球生命的进化中发挥着关键作用。Prokaryotes 是缺乏细胞核和其他膜结合细胞器的单细胞生物。它们通常比具有细胞核的真核细胞小。这一区别是显著的，因为它突显了 prokaryotes 在各种环境中的简单性和高效性。Prokaryotes 最令人着迷的方面之一是它们惊人的多样性。它们几乎可以在地球上的每一个栖息地中找到，从最深的海洋到最高的山脉，甚至在极端环境如热泉和盐湖中也能生存。这种适应能力主要得益于它们的代谢多样性。一些 prokaryotes 能够进行光合作用，而其他则通过消耗有机物或甚至无机物质来生存。这种代谢多样性使它们能够占据许多真核生物无法占据的生态位。此外，prokaryotes 对生态系统中的养分循环至关重要。例如，某些细菌，它们是一种 prokaryote，在氮固定中发挥着重要作用。它们将大气中的氮转化为植物可以利用的形式，从而支持植被的生长，并进一步支持整个食物网。没有 prokaryotes，许多生态系统将因养分不足而崩溃。除了生态重要性之外，prokaryotes 还对人类健康和工业有重要影响。虽然一些 prokaryotes 是病原体，可能导致疾病，但许多其他则是有益的。例如，肠道细菌，也是一种 prokaryote，帮助消化并促进我们的整体健康。此外，生物技术行业已经利用 prokaryotes 的能力用于各种应用，例如生产抗生素、酶和生物燃料。近年来，随着分子生物学技术的出现，prokaryotes 的研究取得了显著进展。研究人员现在可以对 prokaryotes 的 DNA 进行测序，从而深入了解它们的遗传构成、进化历史和功能能力。这些知识不仅增强了我们对生命多样性的理解，还有助于新医疗治疗和环境解决方案的发展。总之，prokaryotes（原核生物）不仅仅是简单的生物；它们是地球上生命的基本组成部分。它们独特的特征、生态角色以及对人类健康和工业的贡献，强调了它们的重要性。随着我们继续探索 prokaryotes 的世界，我们发现了创新和可持续发展的新可能性。理解这些非凡的生物对于应对未来的挑战至关重要，从环境保护到公共健康。我们对 prokaryotes 的了解越多，就越能欣赏支撑我们星球的复杂生命网络。