endosymbiosis

简明释义

英[ˌendəʊˌsɪmbɪˈəʊsɪs]美[ˈendoʊsɪmbaɪˈoʊsɪs]

n. [生物] 内共生

英英释义

单词用法

同义词

反义词

例句

1.Chloroplast is an organelle specialized for carrying out photosynthesis in plants and descended from cyanobacteria according to endosymbiosis.

叶绿体是植物进行光合作用的细胞器，“内共生学说”认为叶绿体起源于蓝藻类的原核生物。

2.Chloroplast is an organelle specialized for carrying out photosynthesis in plants and descended from cyanobacteria according to endosymbiosis.

叶绿体是植物进行光合作用的细胞器，“内共生学说”认为叶绿体起源于蓝藻类的原核生物。

3."The only way out," said Dr Lane, "is if one cell somehow gets inside another one — an endosymbiosis."

“唯一的出路是，”莱恩博士说，“如果一个细胞以某种方式进入另外一个细胞——形成胞内共生。”

4.There are several examples of evidence that support endosymbiosis theory.

有一些证据支持内共生理论。

5.The theory of endosymbiosis suggests that mitochondria originated from free-living bacteria.

内共生理论认为线粒体起源于自由生活的细菌。

6.Research into endosymbiosis has provided insights into the evolution of eukaryotic cells.

对内共生的研究为真核细胞的进化提供了见解。

7.Many biologists believe that endosymbiosis played a crucial role in the development of complex life forms.

许多生物学家认为内共生在复杂生命形式的发展中发挥了关键作用。

8.The concept of endosymbiosis can explain how chloroplasts were formed in plant cells.

内共生的概念可以解释植物细胞中叶绿体是如何形成的。

9.In marine ecosystems, endosymbiosis often occurs between coral and algae.

在海洋生态系统中，内共生常发生在珊瑚和藻类之间。

作文

The concept of endosymbiosis has revolutionized our understanding of cellular evolution. This term describes a symbiotic relationship where one organism lives inside another, leading to a mutually beneficial arrangement. The most notable example of endosymbiosis is the origin of eukaryotic cells, which are complex cells with a nucleus. According to the endosymbiotic theory, these cells evolved when a larger prokaryotic cell engulfed smaller prokaryotic cells, such as bacteria. Instead of being digested, these engulfed cells formed a symbiotic relationship with the host cell, providing it with essential functions like energy production. The implications of endosymbiosis extend beyond just the formation of eukaryotic cells. It suggests that cooperation and interdependence are fundamental aspects of biological evolution. For instance, the mitochondria and chloroplasts found in eukaryotic cells are believed to be the descendants of free-living bacteria that were incorporated into ancestral cells through endosymbiosis. Mitochondria are crucial for energy production through cellular respiration, while chloroplasts enable photosynthesis in plants. This remarkable evolutionary event highlights how complex life forms can arise from simple beginnings through collaboration rather than competition. Research on endosymbiosis has provided significant insights into the history of life on Earth. It challenges the traditional view of evolution as a process driven solely by competition for survival. Instead, it emphasizes the importance of symbiotic relationships in fostering diversity and complexity in living organisms. For example, certain species of corals rely on endosymbiosis with algae to obtain nutrients. The algae perform photosynthesis, producing food that sustains both the coral and itself. This relationship exemplifies how endosymbiosis can lead to thriving ecosystems, demonstrating that cooperation can be just as vital as competition in the natural world. Furthermore, the study of endosymbiosis has implications for biotechnology and medicine. Understanding how these symbiotic relationships function at a cellular level can inspire new approaches to genetic engineering and synthetic biology. For instance, scientists are exploring ways to harness the metabolic capabilities of endosymbiotic organisms for applications in biofuels and pharmaceuticals. By studying the mechanisms of endosymbiosis, researchers can unlock new potential for innovation in various fields. In conclusion, the concept of endosymbiosis is a cornerstone of modern biology that illustrates the power of cooperation in evolution. It provides a framework for understanding the complexity of life and the intricate relationships that exist between different organisms. By recognizing the significance of endosymbiosis, we gain a deeper appreciation for the interconnectedness of all living things and the collaborative processes that shape our world. As we continue to explore the mysteries of life, the lessons learned from endosymbiosis will undoubtedly guide us toward a more holistic understanding of biology and its myriad wonders.

内共生的概念彻底改变了我们对细胞进化的理解。这个术语描述了一种共生关系，其中一个生物体生活在另一个生物体内部，形成互利的安排。内共生最著名的例子是真核细胞的起源，真核细胞是具有细胞核的复杂细胞。根据内共生理论，这些细胞是在一个较大的原核细胞吞噬了较小的原核细胞（如细菌）时进化而来的。这些被吞噬的细胞没有被消化，而是与宿主细胞形成了共生关系，为其提供能量生产等重要功能。 内共生的影响不仅限于真核细胞的形成。它表明合作和相互依存是生物进化的基本方面。例如，真核细胞中的线粒体和叶绿体被认为是通过内共生从自由生活的细菌演变而来的。线粒体对于通过细胞呼吸进行能量生产至关重要，而叶绿体则使植物能够进行光合作用。这一显著的进化事件突显了复杂生命形式如何通过合作而非竞争从简单的起源中产生。 关于内共生的研究为我们提供了对地球生命历史的重要见解。它挑战了传统的进化观，即进化是一个主要由生存竞争驱动的过程。相反，它强调了共生关系在促进生物多样性和复杂性方面的重要性。例如，某些珊瑚种类依赖于与藻类的内共生关系来获取营养。藻类进行光合作用，产生维持珊瑚和自身的食物。这种关系示范了内共生如何导致繁荣的生态系统，表明在自然界中，合作与竞争同样重要。 此外，内共生的研究对生物技术和医学有着重要的启示。了解这些共生关系在细胞水平上是如何运作的，可以激发基因工程和合成生物学的新方法。例如，科学家们正在探索利用内共生生物体的代谢能力来应用于生物燃料和药物的方式。通过研究内共生的机制，研究人员可以为各个领域的创新开辟新的潜力。 总之，内共生的概念是现代生物学的基石，展示了合作在进化中的力量。它为理解生命的复杂性以及不同生物体之间存在的错综复杂的关系提供了框架。通过认识到内共生的重要性，我们更深刻地欣赏到所有生物之间的相互联系以及塑造我们世界的合作过程。在我们继续探索生命的奥秘时，从内共生中获得的经验教训无疑将引导我们朝着更全面的生物学理解及其无数奇迹迈进。