chromonema

简明释义

英[ˌkrəʊmə'niːmə]美[ˌkromə'nimə]

n. 染色丝，染色线

复 数 c h r o m o n e m a t a

英英释义

单词用法

同义词

反义词

例句

1.During the process of cell division, the structure known as chromonema 染色体纤维 becomes visible under a microscope.

在细胞分裂过程中，称为chromonema 染色体纤维的结构在显微镜下变得可见。

2.The visualization of chromonema 染色体纤维 is essential for understanding chromosomal abnormalities.

可视化chromonema 染色体纤维对于理解染色体异常至关重要。

3.The chromonema 染色体纤维 plays a crucial role in the genetic material organization within the nucleus.

在细胞核内，chromonema 染色体纤维在遗传物质的组织中起着至关重要的作用。

4.Researchers are studying how the chromonema 染色体纤维 condenses during mitosis.

研究人员正在研究在有丝分裂过程中chromonema 染色体纤维是如何凝缩的。

5.In meiosis, the pairing of homologous chromosomes involves the formation of chromonema 染色体纤维 structures.

在减数分裂中，同源染色体的配对涉及到chromonema 染色体纤维结构的形成。

作文

In the realm of genetics and cell biology, the term chromonema refers to the thread-like structures that are part of chromosomes during certain stages of cell division. Understanding chromonema is crucial for comprehending how genetic information is organized and transmitted from one generation to the next. Chromosomes, which are composed of DNA and proteins, undergo various transformations throughout the cell cycle. During the prophase of meiosis and mitosis, the chromatin condenses into distinct chromosomes, and this is where chromonema plays a significant role.The structure of chromonema can be thought of as a double helix, which is the fundamental shape of DNA. Each chromonema consists of two sister chromatids that are joined at a region known as the centromere. This organization allows for the accurate segregation of genetic material during cell division, ensuring that each daughter cell receives an identical set of chromosomes. The significance of chromonema becomes even more apparent when we consider the processes of meiosis and mitosis, where the precise distribution of chromosomes is essential for the maintenance of genetic stability.One fascinating aspect of chromonema is its variability across different organisms. For instance, in some species, chromonema may exhibit unique patterns or structures that are specific to their evolutionary lineage. This diversity not only highlights the complexity of genetic organization but also provides insights into the evolutionary adaptations of various species. Researchers often study chromonema to understand the evolutionary relationships between different organisms, as variations in chromosome structure can indicate common ancestry or divergent evolution.Furthermore, the study of chromonema extends beyond basic biology; it has important implications in medical research as well. Abnormalities in chromosome structure, including those involving chromonema, can lead to genetic disorders and diseases such as cancer. By examining the characteristics of chromonema, scientists can identify potential genetic markers for these conditions, paving the way for early diagnosis and targeted therapies.In conclusion, the concept of chromonema is integral to our understanding of genetics and cell biology. Its role in the organization and distribution of genetic material during cell division is vital for the continuity of life. As we delve deeper into the complexities of chromonema, we uncover not only the mechanisms of heredity but also the intricate connections between evolution, biology, and medicine. Through ongoing research, we continue to appreciate the significance of chromonema in both a fundamental and applied context, highlighting its importance in the tapestry of life.

在遗传学和细胞生物学的领域中，术语chromonema指的是在细胞分裂的某些阶段，染色体的一种线状结构。理解chromonema对于理解遗传信息如何组织和从一代传递到下一代至关重要。染色体由DNA和蛋白质组成，在细胞周期的不同阶段会经历各种转变。在减数分裂和有丝分裂的前期，染色质凝缩成明显的染色体，这时chromonema发挥了重要作用。chromonema的结构可以被认为是双螺旋，这是DNA的基本形状。每个chromonema由两个姐妹染色单体组成，这些染色单体在一个称为着丝粒的区域相连。这种组织方式使得在细胞分裂过程中基因物质的准确分配成为可能，确保每个子细胞获得一套相同的染色体。当我们考虑减数分裂和有丝分裂的过程时，chromonema的重要性变得更加明显，因为染色体的精确分布对于遗传稳定性的维持至关重要。chromonema的一个迷人方面是它在不同生物体中的变异性。例如，在某些物种中，chromonema可能表现出特定于其进化谱系的独特模式或结构。这种多样性不仅突显了遗传组织的复杂性，也提供了对各种物种进化适应的深入见解。研究人员通常研究chromonema以了解不同生物之间的进化关系，因为染色体结构的变化可以表明共同祖先或发散进化。此外，chromonema的研究不仅限于基础生物学；它在医学研究中也具有重要意义。染色体结构的异常，包括涉及chromonema的异常，可能导致遗传疾病和癌症等疾病。通过检查chromonema的特征，科学家可以识别这些疾病的潜在遗传标记，为早期诊断和靶向治疗铺平道路。总之，chromonema的概念是我们理解遗传学和细胞生物学的核心。它在细胞分裂过程中遗传物质的组织和分配中的作用对于生命的延续至关重要。随着我们深入研究chromonema的复杂性，我们不仅揭示了遗传机制，还发现了进化、生物学和医学之间错综复杂的联系。通过持续的研究，我们继续欣赏chromonema在基础和应用背景下的重要性，突显其在生命拼图中的重要性。