tetrahymena

简明释义

英[ˌtetrəˈhaɪmənə]美[ˌtetrəˈhaɪmənə]

n. 四膜虫

英英释义

单词用法

同义词

反义词

例句

1.The results show that tricocyst test of Tetrahymena pyriformis is a recommendable, handy, and reliable method for biomonitoring with freshwater species.

四膜虫刺泡发射试验不需加活性酶，是一种值得推荐的快速、简便、可靠的水生生物短期测试方法。

2.The environmental safety effect of nano-sized iron materials including Fe_3O_4, Fe_3O_4-zeolite composite and iron-doped zeolite was studied using a tetrahymena thermophila model.

采用嗜热四膜虫模型，探讨在水体富营养化治理中三种铁系纳米材料的环境安全效应。

3.The growth curve and generation times of Tetrahymena thermophila BF5 are used to study the water quality of the Yellow River in Lanzhou City with five samples.

在黄河兰州市区段采集水样，利用嗜热四膜虫（Tetrahymena thermophila）BF5的生长曲线和世代时间作为指标来评价水质。

4.The first hint of a breakthrough came when Blackburn was studying chromosomes in a simple pond-dwelling organism called tetrahymena.

布莱克本在研究一种简单的池生生物四膜虫的染色体时，获得了一个突破性的发现。

5.Nearly three decades ago, Szostak began to collaborate with Blackburn, looking at the tips of the chromosome of a single-celled, pond-dwelling organism called Tetrahymena.

在将近30年前，Szostak开始与Blackburn合作，研究池塘单细胞生物四膜虫的染色体尖端。

6.The environmental safety effect of nano-sized iron materials including Fe_3O_4, Fe_3O_4-zeolite composite and iron-doped zeolite was studied using a tetrahymena thermophila model.

采用嗜热四膜虫模型，探讨在水体富营养化治理中三种铁系纳米材料的环境安全效应。

7.In laboratory experiments, tetrahymena is often used as a model organism.

在实验室实验中，四膜虫常被用作模型生物。

8.Scientists have discovered that tetrahymena can survive in extreme environments.

科学家发现四膜虫可以在极端环境中生存。

9.The study of tetrahymena has provided insights into cellular processes.

对四膜虫的研究为细胞过程提供了见解。

10.The lifecycle of tetrahymena includes both asexual and sexual reproduction.

四膜虫的生命周期包括无性和有性繁殖。

11.Researchers are investigating the genetic makeup of tetrahymena to understand its adaptations.

研究人员正在调查四膜虫的遗传构成，以了解其适应性。

作文

The study of microorganisms has always fascinated scientists, particularly those that play a crucial role in various ecosystems. One such organism is tetrahymena, a genus of ciliated protozoa that can be found in freshwater environments. These single-celled organisms are not only interesting due to their unique biological features but also because they have significant implications for scientific research and education. tetrahymena is often used as a model organism in laboratory settings, making it an essential subject in the field of biology.One of the most remarkable aspects of tetrahymena is its complex structure. It possesses numerous hair-like projections called cilia, which it uses for movement and feeding. The cilia beat in coordinated waves, allowing the organism to swim through water with impressive agility. This feature makes tetrahymena an excellent subject for studying cellular processes, including locomotion and the mechanics of ciliary movement. Researchers can observe how these organisms respond to changes in their environment, providing valuable insights into cellular behavior and adaptation.Moreover, tetrahymena has a unique method of reproduction known as conjugation, where two cells come together to exchange genetic material. This process not only contributes to genetic diversity but also serves as a fascinating example of sexual reproduction in protists. Understanding conjugation in tetrahymena can shed light on evolutionary processes and the mechanisms of genetic variation, which are fundamental concepts in biology.In addition to its biological significance, tetrahymena has been pivotal in scientific research, particularly in studies related to genetics and molecular biology. For instance, researchers have utilized tetrahymena to investigate telomeres—structures at the ends of chromosomes that protect them from degradation. The discovery of the enzyme telomerase, which maintains telomere length, was significantly advanced by studies involving tetrahymena. This groundbreaking research has implications for understanding aging and cancer, highlighting the importance of this microorganism in contemporary science.Furthermore, tetrahymena is increasingly being used in educational settings to teach students about cellular biology and genetics. Its relatively simple structure and ease of cultivation make it an ideal organism for laboratory experiments. Students can engage in hands-on learning experiences by observing the behavior of tetrahymena, conducting experiments on its growth under different conditions, and studying its reproductive methods. Such practical applications enhance students' understanding of complex biological concepts and foster a deeper appreciation for the microscopic world.In conclusion, tetrahymena is more than just a simple ciliated protozoan; it is a vital organism that plays a significant role in various scientific fields. Its unique biological characteristics, coupled with its importance in research and education, make tetrahymena a fascinating subject for both scientists and students alike. As we continue to explore the complexities of life at the microscopic level, organisms like tetrahymena will undoubtedly remain at the forefront of scientific inquiry, offering new insights into the fundamental processes that govern life on Earth.

微生物的研究一直吸引着科学家，特别是那些在各种生态系统中发挥重要作用的微生物。其中一种生物是四膜虫，它是一种在淡水环境中发现的纤毛原生动物。这些单细胞生物不仅因其独特的生物特征而引人注目，还因为它们对科学研究和教育具有重要意义。四膜虫常被用作实验室中的模式生物，使其成为生物学领域的重要课题。四膜虫最显著的特点之一是其复杂的结构。它拥有许多称为纤毛的毛发状突起，利用这些纤毛进行运动和进食。纤毛以协调的波浪方式拍打，使得这种生物能够以令人印象深刻的灵活性在水中游动。这一特征使得四膜虫成为研究细胞过程（包括运动和纤毛运动机制）的优秀对象。研究人员可以观察这些生物如何对环境变化作出反应，从而提供有关细胞行为和适应性的宝贵见解。此外，四膜虫具有一种独特的繁殖方式，称为结合，其中两个细胞聚集在一起交换遗传物质。这个过程不仅有助于遗传多样性的形成，也是原生生物中性繁殖的一个迷人例子。理解四膜虫中的结合过程可以揭示进化过程和遗传变异机制，这些都是生物学中的基本概念。除了生物学意义外，四膜虫在科学研究中也发挥了重要作用，特别是在与遗传学和分子生物学相关的研究中。例如，研究人员利用四膜虫研究端粒——位于染色体末端的结构，保护染色体不被降解。通过涉及四膜虫的研究，发现了酶端粒酶，它维持端粒的长度。这项开创性研究对理解衰老和癌症具有重要意义，突显了这一微生物在当代科学中的重要性。此外，四膜虫越来越多地被用于教育领域，以教授学生细胞生物学和遗传学。其相对简单的结构和易于培养的特性使其成为实验室实验的理想生物。学生可以通过观察四膜虫的行为、在不同条件下进行生长实验以及研究其繁殖方式来参与实践学习体验。这些实际应用增强了学生对复杂生物概念的理解，并培养了他们对微观世界的更深层次的欣赏。总之，四膜虫不仅仅是一种简单的纤毛原生动物；它是一种在各种科学领域中发挥重要作用的生物。其独特的生物特征，加上其在研究和教育中的重要性，使得四膜虫成为科学家和学生都感兴趣的迷人课题。随着我们继续探索微观层面生命的复杂性，像四膜虫这样的生物无疑将继续处于科学探究的前沿，为我们提供关于支配地球生命的基本过程的新见解。