leucoplast

简明释义

英[ˈluːkəˌplæst]美[ˈluːkəˌplæst]

n. [植] 白色体

英英释义

单词用法

同义词

反义词

例句

1.Proteoplast a colorless plastid (leucoplast) that stores protein.

类蛋白体：指储存蛋白质的无色质体(白色体)。

2.Proteoplast a colorless plastid (leucoplast) that stores protein.

类蛋白体：指储存蛋白质的无色质体(白色体)。

3.In plant cells, leucoplast 白色体 are responsible for storing starch.

在植物细胞中，leucoplast 白色体 负责储存淀粉。

4.During the ripening of fruits, the leucoplast 白色体 can transform into chromoplasts to produce color.

在水果成熟过程中，leucoplast 白色体 可以转变为色素体以产生颜色。

5.The primary function of leucoplast 白色体 is to synthesize and store fatty acids.

leucoplast 白色体 的主要功能是合成和储存脂肪酸。

6.In some plants, leucoplast 白色体 can also convert into other types of plastids depending on the plant's needs.

在一些植物中，leucoplast 白色体 也可以根据植物的需要转变为其他类型的质体。

7.Researchers are studying the role of leucoplast 白色体 in the storage of proteins.

研究人员正在研究 leucoplast 白色体 在蛋白质储存中的作用。

作文

In the study of plant cells, one encounters various organelles that play crucial roles in the life of a cell. Among these organelles is the leucoplast, which is essential for the storage and synthesis of starches, oils, and proteins. Unlike chloroplasts, which are known for their green pigment and role in photosynthesis, leucoplasts are colorless and are primarily involved in the storage of nutrients. This distinction highlights the diverse functions that different types of plastids serve within plant cells. The structure of a leucoplast is quite unique. It is typically small and oval-shaped, consisting of a double membrane that encloses a fluid-filled stroma. Within this stroma, the leucoplast contains various enzymes that facilitate the conversion of glucose into starch or other compounds. This process is particularly important in non-photosynthetic tissues such as roots and tubers, where energy storage is crucial for the plant's survival during periods of low light or drought. In agricultural practices, understanding the function of leucoplasts can lead to better crop management strategies. For instance, crops like potatoes and carrots store significant amounts of starch in their roots, thanks to the activity of leucoplasts. Farmers can enhance the yield of these crops by managing water and nutrient availability, ensuring that the leucoplasts have the resources they need to produce and store energy effectively. Moreover, the study of leucoplasts extends beyond agriculture. In biotechnology, scientists are exploring ways to manipulate these organelles to improve the nutritional content of food crops. By enhancing the efficiency of leucoplasts, it may be possible to increase the levels of essential nutrients stored in plants, thereby addressing malnutrition in various parts of the world. Furthermore, leucoplasts also play a role in the synthesis of fatty acids and amino acids, which are vital for the growth and development of plants. This metabolic versatility makes them an interesting subject of research for plant biologists. Understanding how leucoplasts operate at a molecular level could provide insights into plant resilience and adaptability in changing environmental conditions. In conclusion, the leucoplast is a fascinating organelle that contributes significantly to the overall functionality of plant cells. Its role in storing and synthesizing essential nutrients cannot be understated, as it supports not only the plant's growth but also its survival in challenging conditions. As we continue to explore the complexities of plant biology, the importance of leucoplasts will undoubtedly become more pronounced, leading to innovative approaches in agriculture and biotechnology that can benefit humanity as a whole.

在植物细胞的研究中，我们会遇到各种在细胞生命中发挥关键作用的细胞器。其中之一就是白色体，它对淀粉、油和蛋白质的储存和合成至关重要。与以绿色颜料和光合作用而闻名的叶绿体不同，白色体是无色的，主要参与营养物质的储存。这一区别突显了不同类型的质体在植物细胞内所发挥的多样化功能。 白色体的结构非常独特。它通常较小且呈椭圆形，由双层膜组成，包围着充满液体的基质。在这个基质中，白色体含有各种酶，这些酶促进葡萄糖转化为淀粉或其他化合物的过程。这一过程在根部和块茎等非光合组织中尤为重要，因为能量储存对植物在低光或干旱时期的生存至关重要。 在农业实践中，理解白色体的功能可以导致更好的作物管理策略。例如，像土豆和胡萝卜这样的作物在其根部储存大量淀粉，这得益于白色体的活动。农民可以通过管理水分和养分的可用性来提高这些作物的产量，从而确保白色体拥有有效生产和储存能量所需的资源。 此外，白色体的研究还超越了农业。在生物技术领域，科学家们正在探索操控这些细胞器以改善食品作物营养成分的方法。通过增强白色体的效率，可能可以提高植物中储存的必需营养素的水平，从而应对世界各地的营养不良问题。 此外，白色体还在脂肪酸和氨基酸的合成中发挥作用，这些都是植物生长和发育所必需的。这种代谢的多样性使它们成为植物生物学研究的一个有趣课题。理解白色体在分子水平上的运作可能会为植物在变化的环境条件下的韧性和适应性提供见解。 总之，白色体是一个迷人的细胞器，对植物细胞的整体功能贡献显著。它在储存和合成必需营养素方面的作用不可低估，因为它不仅支持植物的生长，也支持植物在严峻条件下的生存。随着我们继续探索植物生物学的复杂性，白色体的重要性无疑会更加突出，从而导致农业和生物技术中创新方法的发展，造福全人类。