eukaryon
简明释义
n. [生物] 真核;真核生物
英英释义
A eukaryon is a cell or organism that has a complex structure with a defined nucleus and organelles, distinguishing it from prokaryotic cells. | 真核细胞是指具有复杂结构、具有明确细胞核和细胞器的细胞或生物,与原核细胞相区别。 |
单词用法
单细胞真核生物 | |
多细胞真核生物 | |
真核生物 | |
真核细胞 | |
真核系谱 |
同义词
真核细胞 | 真核细胞比原核细胞更复杂。 | ||
生物体 | Many multicellular organisms are composed of eukaryotic cells. | 许多多细胞生物是由真核细胞组成的。 |
反义词
原核细胞 | 原核细胞结构简单,没有细胞核。 |
例句
1.Cytomicrosome is the center of energy and metabolism of eukaryon. It is also a cellular organ with the critical adjusting function in processes of apoptosis signal.
线粒体是真核生物能量和代谢的中心,也是在细胞凋亡、信号转导中起关键调节作用的细胞器。
2.Cytomicrosome is the center of energy and metabolism of eukaryon. It is also a cellular organ with the critical adjusting function in processes of apoptosis signal.
线粒体是真核生物能量和代谢的中心,也是在细胞凋亡、信号转导中起关键调节作用的细胞器。
3.The evolution of eukaryon 真核细胞 marked a significant step in the history of life on Earth.
eukaryon 真核细胞的演化标志着地球生命历史上的一个重要步骤。
4.In biology, understanding the structure of a eukaryon 真核细胞 is essential for studying multicellular organisms.
在生物学中,理解eukaryon 真核细胞的结构对于研究多细胞生物至关重要。
5.Plants and animals are both made up of eukaryon 真核细胞 cells, which are more complex than prokaryotic cells.
植物和动物都是由eukaryon 真核细胞构成的,这些细胞比原核细胞更复杂。
6.The cell type known as a eukaryon 真核细胞 is characterized by having a nucleus.
被称为eukaryon 真核细胞的细胞类型以拥有细胞核为特征。
7.Yeast is an example of a unicellular eukaryon 真核细胞 that is often used in fermentation.
酵母是一种单细胞的eukaryon 真核细胞,常用于发酵。
作文
In the vast world of biology, organisms are classified into two primary categories: prokaryotes and eukaryotes. Among these, the term eukaryon refers to a type of cell that possesses a true nucleus and membrane-bound organelles. This classification is crucial for understanding the complexity of life forms on Earth. The eukaryon is characterized by its organized structure, which allows for more sophisticated functions compared to prokaryotic cells. For instance, while bacteria are prokaryotic and lack a defined nucleus, eukaryotic cells can be found in plants, animals, fungi, and protists, showcasing a remarkable diversity of life. The significance of the eukaryon extends beyond mere classification; it represents a pivotal evolutionary step. The emergence of eukaryotic cells is believed to have occurred around 1.5 to 2 billion years ago, marking a crucial transition in the history of life. This transition allowed for greater cellular complexity and specialization, leading to the development of multicellular organisms. In essence, the eukaryon embodies the evolutionary advancements that have enabled life to thrive in various environments, from the depths of the ocean to the highest mountains.One of the most fascinating aspects of eukaryon cells is their ability to engage in processes such as mitosis and meiosis. Mitosis allows for growth and repair, while meiosis is essential for sexual reproduction. These processes highlight the sophisticated nature of eukaryotic life, where genetic material is carefully replicated and distributed. The intricate mechanisms involved in these processes are a testament to the advanced organization of eukaryon cells.Moreover, the presence of membrane-bound organelles within eukaryon cells facilitates compartmentalization of cellular functions. For example, mitochondria are known as the powerhouses of the cell, generating energy through respiration. Similarly, the endoplasmic reticulum and Golgi apparatus play critical roles in protein synthesis and modification. This compartmentalization enhances the efficiency of cellular processes, allowing eukaryotic cells to perform complex tasks that are essential for survival.In addition to their structural and functional advantages, eukaryon cells also exhibit remarkable adaptability. They can respond to environmental changes, communicate with one another, and even form symbiotic relationships with other organisms. For instance, certain eukaryotic algae engage in symbiosis with coral reefs, providing essential nutrients and contributing to the health of marine ecosystems. This adaptability underscores the importance of eukaryon cells in maintaining ecological balance.In conclusion, the term eukaryon encapsulates a significant aspect of biological organization and evolution. Understanding eukaryotic cells is fundamental to the study of life sciences, as they represent the building blocks of complex organisms. From their structured organization to their advanced reproductive mechanisms, eukaryon cells exemplify the intricacies of life. As we continue to explore the wonders of biology, the role of eukaryon will undoubtedly remain a focal point in our quest to understand the diversity of life on our planet.
在生物学的广阔世界中,生物体被分为两大类:原核生物和真核生物。其中,术语eukaryon指的是一种具有真正细胞核和膜结合细胞器的细胞类型。这种分类对于理解地球上生命形式的复杂性至关重要。eukaryon的特点是其有组织的结构,这使其能够比原核细胞执行更复杂的功能。例如,细菌是原核生物,缺乏明确的细胞核,而真核细胞则可以在植物、动物、真菌和原生生物中找到,展示了生命的显著多样性。eukaryon的重要性不仅仅体现在分类上;它代表了一次关键的进化步骤。真核细胞的出现据信发生在约15亿到20亿年前,标志着生命历史中的一个重要转折点。这一转变促成了更大的细胞复杂性和特化的发展,导致多细胞生物的形成。从本质上讲,eukaryon体现了使生命能够在各种环境中繁荣发展的进化进步,从海洋深处到最高的山脉。eukaryon细胞最引人入胜的方面之一是它们能够参与有丝分裂和减数分裂等过程。有丝分裂允许细胞生长和修复,而减数分裂对有性生殖至关重要。这些过程突显了真核生命的复杂性质,在这些过程中,遗传物质被仔细复制和分配。涉及这些过程的复杂机制证明了eukaryon细胞的高级组织。此外,eukaryon细胞内膜结合细胞器的存在促进了细胞功能的区室化。例如,线粒体被称为细胞的动力源,通过呼吸产生能量。同样,内质网和高尔基体在蛋白质合成和修饰中发挥着关键作用。这种区室化提高了细胞过程的效率,使真核细胞能够执行对生存至关重要的复杂任务。除了结构和功能优势外,eukaryon细胞还表现出显著的适应能力。它们可以响应环境变化,相互沟通,甚至与其他生物形成共生关系。例如,某些真核藻类与珊瑚礁进行共生,为其提供必要的营养,并有助于海洋生态系统的健康。这种适应能力强调了eukaryon细胞在维持生态平衡中的重要性。总之,术语eukaryon概括了生物组织和进化的一个重要方面。理解真核细胞对生命科学的研究至关重要,因为它们代表了复杂生物的构建块。从其结构组织到其先进的生殖机制,eukaryon细胞体现了生命的复杂性。随着我们继续探索生物学的奇迹,eukaryon的角色无疑将继续成为我们理解地球上生命多样性的重点。