eukaryotic

简明释义

[ˌjuːkærɪˈɒtɪk][juːkeriˈɑːtɪk]

adj. 真核的,真核生物的

英英释义

Relating to organisms whose cells have a nucleus enclosed within membranes, as well as other organelles; typically larger and more complex than prokaryotic cells.

指那些细胞内有膜包围的细胞核及其他细胞器的生物;通常比原核细胞大且复杂。

单词用法

eukaryotic cell

真核細胞

同义词

eukaryote

真核生物

Eukaryotic cells are more complex than prokaryotic cells.

真核细胞比原核细胞更复杂。

multicellular

多细胞的

Humans are multicellular organisms, classified as eukaryotes.

人类是多细胞生物,归类为真核生物。

反义词

prokaryotic

原核的

Prokaryotic cells lack a nucleus.

原核细胞没有细胞核。

例句

1.Much of this picture has been obscured by the swirling controversies that surround the origin of the eukaryotic cell.

围绕着真核细胞起源的激烈争执使得这一切景象显得扑朔迷离。

2.The outcome of this debate affects not only our understanding of early eukaryotic evolution, but also our view of Giardia biology.

争论的结果不仅仅影响我们对早期真核生物进化的理解,还影响我们对贾第虫属生物学的观点。

3.Objective To study the expressing activity of vector containing two promoters in eukaryotic cells.

目的研究含双启动子表达载体在真核细胞中的表达活性。

4.Histones are protein - found in eukaryotic cell nuclei, tightly bound to DNA, which has many phosphate groups.

组蛋白是存在于真核细胞核中的与含很多磷酸基团的DNA紧密结合的蛋白质。

5.DNA methylation is one of the most common epigenetic events in eukaryotic cell.

DNA甲基化是真核细胞基因组最常见的一种表观遗传学修饰。

6.Objective To clone the human angiotensin-converting enzyme 2 (ACE2)and construct its eukaryotic expression plasmid.

目的克隆人血管紧张素转换酶2基因(ACE2),并构建其真核表达载体。

7.Histone H3 along with H2A, H2B, and H4 form the eukaryotic nucleosome octamer core.

组蛋白 H3与H2A,H2B,H4 共同构成了真核生物核小体的八聚体核心。

8.Histone lysine methylation plays a key role in epigenetic regulation of eukaryotic genes.

组蛋白赖氨酸的甲基化在真核基因表观遗传调控中起着关键作用。

9.Here we can see the importance behind compartmentalization of the eukaryotic cell.

在这里我们可以看到区分真核细胞背后的重要性。

10.The study of eukaryotic cells is essential for understanding multicellular life.

研究真核细胞对于理解多细胞生命至关重要。

11.Humans are made up of trillions of eukaryotic cells that work together to maintain life.

人类由数万亿个真核细胞组成,这些细胞共同工作以维持生命。

12.All plants are classified as eukaryotic organisms, meaning they have complex cells with a nucleus.

所有植物都被归类为真核生物,这意味着它们具有带有细胞核的复杂细胞。

13.Fungi are a diverse group of eukaryotic organisms that play crucial roles in ecosystems.

真菌是一类多样化的真核生物,在生态系统中发挥着关键作用。

14.Unlike bacteria, eukaryotic cells contain membrane-bound organelles.

与细菌不同,真核细胞包含膜结合的细胞器。

作文

The concept of life is vast and complex, comprising various forms that exhibit unique characteristics. Among these forms, organisms can be broadly categorized into two groups: prokaryotic and eukaryotic">真核的. Understanding the differences between these two classifications is essential for anyone studying biology or life sciences. In this essay, I will explore the features of eukaryotic">真核的 organisms, their significance in the ecosystem, and their role in the evolutionary history of life on Earth.eukaryotic">真核的 organisms are defined by their cellular structure, which includes a nucleus and membrane-bound organelles. This distinct feature sets them apart from prokaryotic organisms, which lack a true nucleus. The presence of a nucleus in eukaryotic">真核的 cells allows for greater complexity in genetic regulation and expression. For instance, in eukaryotic">真核的 cells, DNA is organized into linear chromosomes, whereas in prokaryotic cells, the DNA is circular and not enclosed within a membrane.The diversity of eukaryotic">真核的 organisms is remarkable. They include a wide range of life forms, from single-celled organisms like yeast and amoebas to multicellular organisms such as plants, fungi, and animals. This diversity is not only fascinating but also crucial for the functioning of ecosystems. For example, plants, which are eukaryotic">真核的 organisms, play a vital role in converting sunlight into energy through photosynthesis. This process not only sustains the plants themselves but also provides energy for other organisms in the food chain.In addition to their ecological importance, eukaryotic">真核的 organisms have significant implications for human health and medicine. Many of the drugs we use today are derived from compounds found in eukaryotic">真核的 organisms, especially plants and fungi. Moreover, understanding the cellular processes of eukaryotic">真核的 cells has led to advancements in genetic engineering and biotechnology. For instance, scientists have manipulated eukaryotic">真核的 yeast cells to produce insulin, revolutionizing the treatment of diabetes.From an evolutionary perspective, the emergence of eukaryotic">真核的 organisms marked a significant milestone in the history of life on Earth. It is believed that eukaryotic">真核的 cells evolved from prokaryotic ancestors through a process known as endosymbiosis. This theory suggests that certain prokaryotic cells were engulfed by larger cells, leading to a symbiotic relationship that eventually resulted in the formation of organelles like mitochondria and chloroplasts. This evolutionary leap allowed for increased metabolic capabilities and paved the way for the complexity seen in multicellular organisms.In conclusion, eukaryotic">真核的 organisms represent a fundamental aspect of life on Earth. Their complex cellular structure not only differentiates them from prokaryotic organisms but also enables a myriad of functions that sustain life. From their ecological roles to their contributions to human health, eukaryotic">真核的 organisms are integral to our understanding of biology and the natural world. As research continues to uncover the mysteries of eukaryotic">真核的 life, we gain deeper insights into the intricate web of life that exists on our planet.

生命的概念是广泛而复杂的,包含各种形式,展现出独特的特征。在这些形式中,生物可以大致分为两类:原核生物和eukaryotic">真核的生物。理解这两种分类之间的差异对于任何学习生物学或生命科学的人来说都是至关重要的。在这篇文章中,我将探讨eukaryotic">真核的生物的特征、它们在生态系统中的重要性以及它们在地球生命进化历史中的角色。eukaryotic">真核的生物的定义是它们的细胞结构,包括一个细胞核和膜结合的细胞器。这一独特的特征使它们与缺乏真正细胞核的原核生物区分开来。eukaryotic">真核的细胞中细胞核的存在允许基因调控和表达的更大复杂性。例如,在eukaryotic">真核的细胞中,DNA被组织成线性染色体,而在原核细胞中,DNA是圆形的,并且不被膜包围。eukaryotic">真核的生物的多样性是显著的。它们包括从单细胞生物如酵母和变形虫到多细胞生物如植物、真菌和动物的广泛生命形式。这种多样性不仅令人着迷,而且对生态系统的功能至关重要。例如,植物作为eukaryotic">真核的生物,在通过光合作用将阳光转化为能量方面发挥着至关重要的作用。这个过程不仅维持了植物自身的生存,还为食物链中的其他生物提供了能量。除了它们的生态重要性外,eukaryotic">真核的生物对人类健康和医学也有重要影响。我们今天使用的许多药物都是从eukaryotic">真核的生物中提取的化合物,尤其是植物和真菌。此外,理解eukaryotic">真核的细胞的细胞过程促进了基因工程和生物技术的发展。例如,科学家们已经操纵eukaryotic">真核的酵母细胞以生产胰岛素,彻底改变了糖尿病的治疗。从进化的角度来看,eukaryotic">真核的生物的出现标志着地球生命历史上的一个重要里程碑。据信,eukaryotic">真核的细胞是由原核祖先通过一种称为内共生的过程演化而来的。这一理论表明,某些原核细胞被较大的细胞吞噬,导致了共生关系,最终形成了线粒体和叶绿体等细胞器。这一进化飞跃使得代谢能力增加,为多细胞生物的复杂性铺平了道路。总之,eukaryotic">真核的生物代表了地球生命的一个基本方面。它们复杂的细胞结构不仅使它们与原核生物区分开来,而且还使其能够执行维持生命的多种功能。从它们的生态角色到它们对人类健康的贡献,eukaryotic">真核的生物是我们理解生物学和自然世界不可或缺的一部分。随着研究不断揭示eukaryotic">真核的生命的奥秘,我们对存在于我们星球上的复杂生命网络有了更深入的了解。