organelle

简明释义

英[ˌɔːɡəˈnel]美[ˌɔrɡəˈnel]

n. [细胞] 细胞器；细胞器官

英英释义

单词用法

同义词

反义词

例句

1.A strongly pigmented or pigment-generating organelle, organ, or microorganism.

发色团色泽很深或产色的细胞器官、器官或微生物。

2.Almost no organelle were ever observed in the parenchyma cells of juice sac from mature fruit.

但成熟果实中汁囊的薄壁细胞中几乎没有任何细胞器。

3.Transport vesicles may carry exportable molecules from the endoplasmic reticulum to another membranous organelle, the Golgi complex.

运输小泡能够将可运输分子从内质网运输到高尔基复合体上。

4.Animal cell has a lot of organelle.

动物细胞有很多的细胞器官。

5.The endoplasmic reticulum (ER) is an important subcelluar organelle for the synthesis, post- translational modification, and proper folding of protein.

内质网是蛋白质合成、修饰以及折叠的重要场所。

6.In leaves the changes of organelle morphosis in spongy mesophylls were earlier than those in pal…

同是根系，皮层细胞中各细胞器形态结构变化的时间普遍早于中柱细胞。

7.Flow cytometry tests biological properties of single cell or organelle, and classifies and collects specified cells or organelles from the group.

流式细胞检测项目可检测单个细胞或细胞器的生物学性质，并把特定的细胞或细胞器从群体中加以分类收集。

8.The mitochondrion is a vital organelle that produces energy for the cell.

线粒体是一个重要的细胞器，为细胞提供能量。

9.In plant cells, the chloroplast is a unique organelle responsible for photosynthesis.

在植物细胞中，叶绿体是一个独特的细胞器，负责光合作用。

10.The endoplasmic reticulum is an organelle involved in protein synthesis.

内质网是一个参与蛋白质合成的细胞器。

11.Ribosomes are tiny organelles that can be found floating freely in the cytoplasm.

核糖体是微小的细胞器，可以在细胞质中自由漂浮。

12.The Golgi apparatus is an organelle that modifies and packages proteins.

高尔基体是一个修改和包装蛋白质的细胞器。

作文

In the world of biology, understanding the structure and function of cells is crucial. One of the most fascinating aspects of cellular biology is the presence of various components that work together to maintain life. Among these components are organelles, which are specialized structures within a cell that perform distinct functions necessary for the cell's survival and proper functioning. The term organelle (细胞器) refers to these tiny organs of the cell, each playing a vital role in the overall health and operation of the organism. Organelles can be found in both prokaryotic and eukaryotic cells, although their complexity varies significantly between the two. Prokaryotic cells, which include bacteria, are simpler and lack membrane-bound organelles (细胞器). In contrast, eukaryotic cells, which make up plants, animals, fungi, and protists, contain a variety of organelles (细胞器) that contribute to their more complex structure and function. One of the most well-known organelles (细胞器) is the mitochondrion, often referred to as the powerhouse of the cell. Mitochondria are responsible for producing adenosine triphosphate (ATP), the energy currency of the cell, through a process called cellular respiration. This process is essential for providing energy to support various cellular activities, including growth, repair, and maintenance. Another important organelle (细胞器) is the endoplasmic reticulum (ER), which comes in two forms: rough and smooth. The rough ER is studded with ribosomes, giving it a 'rough' appearance, and is primarily involved in the synthesis of proteins. On the other hand, the smooth ER is associated with lipid synthesis and detoxification processes. Both types of ER play critical roles in the overall functioning of the cell by ensuring that proteins and lipids are produced and processed correctly. The Golgi apparatus is yet another significant organelle (细胞器) that acts as the cell's packaging and shipping center. It modifies, sorts, and packages proteins and lipids that have been synthesized in the ER, preparing them for transport to their final destinations, either inside or outside the cell. This organelle is crucial for maintaining the cell's internal organization and ensuring that necessary materials reach their intended locations. In plant cells, chloroplasts are unique organelles (细胞器) that enable photosynthesis, the process by which plants convert sunlight into chemical energy. Chloroplasts contain chlorophyll, the green pigment that captures light energy, allowing plants to produce glucose and oxygen from carbon dioxide and water. This process is not only vital for the survival of plants but also for life on Earth, as it contributes to the oxygen supply and serves as the foundation for the food chain. In summary, organelles (细胞器) are essential components of cells that perform specific functions necessary for life. From energy production in mitochondria to protein synthesis in the endoplasmic reticulum and photosynthesis in chloroplasts, these specialized structures work in harmony to maintain the health and functionality of the cell. Understanding organelles (细胞器) and their roles is fundamental to the study of biology and provides insights into the complexities of life at the cellular level.

在生物学的世界中，理解细胞的结构和功能至关重要。细胞生物学最迷人的方面之一是细胞内存在各种组件，这些组件共同工作以维持生命。在这些组件中，细胞器（organelle）是细胞内的专门结构，执行细胞生存和正常功能所必需的不同功能。术语细胞器（organelle）指的是这些细胞的小器官，每个器官在生物体的整体健康和运作中发挥着重要作用。 细胞器可以在原核细胞和真核细胞中找到，尽管它们的复杂性在两者之间差异显著。原核细胞，包括细菌，更简单，并且缺乏膜结合的细胞器（organelle）。相反，真核细胞，包括植物、动物、真菌和原生生物，含有多种细胞器（organelle），这些细胞器有助于其更复杂的结构和功能。 其中一个最著名的细胞器（organelle）是线粒体，通常被称为细胞的动力源。线粒体负责通过细胞呼吸过程产生三磷酸腺苷（ATP），这是细胞的能量货币。这个过程对于提供支持细胞活动（包括生长、修复和维护）的能量至关重要。 另一个重要的细胞器（organelle）是内质网（ER），它有两种形式：粗糙和光滑。粗糙内质网表面布满了核糖体，赋予其“粗糙”的外观，主要参与蛋白质的合成。另一方面，光滑内质网与脂质合成和解毒过程相关。两种类型的内质网在确保蛋白质和脂质正确生产和加工方面对细胞的整体功能至关重要。 高尔基体是另一个重要的细胞器（organelle），充当细胞的包装和运输中心。它修改、分类和包装在内质网上合成的蛋白质和脂质，为它们运输到最终目的地（无论是在细胞内还是细胞外）做准备。这个细胞器对于维持细胞的内部组织和确保必要材料到达其预定位置至关重要。 在植物细胞中，叶绿体是独特的细胞器（organelle），使光合作用成为可能，光合作用是植物将阳光转化为化学能的过程。叶绿体含有叶绿素，这种绿色色素捕捉光能，使植物能够从二氧化碳和水中生产葡萄糖和氧气。这个过程不仅对植物的生存至关重要，而且对地球上的生命至关重要，因为它为氧气供应做出贡献，并作为食物链的基础。 总之，细胞器（organelle）是细胞的重要组成部分，执行维持生命所需的特定功能。从线粒体的能量生产到内质网的蛋白质合成，再到叶绿体的光合作用，这些专门的结构协调工作，以维持细胞的健康和功能。理解细胞器（organelle）及其作用是生物学研究的基础，并提供了对细胞层面生命复杂性的深入见解。