anaphase

简明释义

英[ˈænəˌfeɪz]美[ˈænəˌfeɪz]

n. （细胞分裂的）后期

英英释义

单词用法

同义词

反义词

例句

1.It can also promote the decomposition of carbohydrates, and WCS reduce quickly prophase and slowly anaphase.

添加生物制剂还能够促进碳水化合物分解，WCS前期快速降低后期缓慢降低。

2.Photosynthetic rate of tulip behaved linearity decreased in anaphase of tulips.

郁金香后期光合速率呈线性陡降。

3.Anaphase cost control adopts cost analysis and cost check, mainly involve the stage of real estate management.

后期成本控制包括成本分析与成本考核，主要涉及到物业管理环节。

4.The change of ephemeral gully headward erosion, gully-wall collapsing and deep-cutting erosion were quantified in the three stages of initial-phase, metaphase and anaphase.

阐明了在浅沟发育初期、中期和后期三个发育阶段，沟头溯源侵蚀、沟壁扩展和沟床下切侵蚀变化规律。

5.Methods Altogether 241 members of the selected troops were investigated by means of self-rated health evaluation scale (SRHMS V1. 0) during the prophase, metaphase, and anaphase of stationing.

方法采用“自测健康评定量表(SRHMS v1.0)”对某部241名军人在守礁前期、中期、后期进行现场问卷调查。

6.The new shoots and the new roots grow by turns. In prophase, the fruits growth compete nutrition with the new roots and the new shoots, but it mainly compete with the new shoots in anaphase.

新梢的生长和根系的生长呈交替现象，果实生长的前期和根系生长、新梢生长都存在营养竞争，而后期则主要和新梢的生长存在竞争。

7.When anaphase onset is triggered, the Cyclosome degrades securin.

触发后期发作时，环脂质体会降解分离酶抑制蛋白。

8.Although the first half, Robles with 0.06 seconds starting beat Liu Xiang, but in the eighth column, be good at anaphase force Liu Xiang has with Robles racing together bridle to bridle.

虽然前半段，罗伯斯凭仗0.06秒起跑的优势力压刘翔，但在第八栏之后，擅长后程发力的刘翔曾经与罗伯斯不相上下。

9.Methods Altogether 241 members of the selected troops were investigated by means of self-rated health evaluation scale (SRHMS V1. 0) during the prophase, metaphase, and anaphase of stationing.

方法采用“自测健康评定量表(SRHMS v1.0)”对某部241名军人在守礁前期、中期、后期进行现场问卷调查。

10.During cell division, the chromosomes are separated in the anaphase 后期 stage.

在细胞分裂过程中，染色体在后期阶段被分开。

11.Scientists observed the anaphase 后期 under a microscope to study chromosome behavior.

科学家们在显微镜下观察后期以研究染色体行为。

12.The integrity of the spindle fibers is crucial during anaphase 后期 for proper chromosome segregation.

纺锤丝的完整性在后期中对于正确的染色体分离至关重要。

13.Errors in anaphase 后期 can lead to aneuploidy in daughter cells.

在后期中的错误可能导致子细胞中的非整倍体。

14.The transition from metaphase to anaphase 后期 is marked by the separation of sister chromatids.

从中期到后期的过渡以姐妹染色单体的分离为标志。

作文

The process of cell division is a fascinating subject in biology, particularly when we explore the stages of mitosis. Among these stages, one crucial phase is known as anaphase, which plays a vital role in ensuring that each daughter cell receives an equal and accurate distribution of chromosomes. To fully understand anaphase, it is essential to first grasp the overall context of mitosis, which consists of several key stages: prophase, metaphase, anaphase, and telophase. During prophase, the chromatin condenses into visible chromosomes, and the nuclear membrane begins to break down. This sets the stage for the next phase, metaphase, where the chromosomes align at the cell's equatorial plane, attached to spindle fibers. It is during this alignment that the cell ensures that all chromosomes are properly positioned for separation. Following metaphase, we enter the critical stage of anaphase. In anaphase, the sister chromatids, which were previously joined together, are pulled apart by the spindle fibers. Each chromatid is now considered an individual chromosome. This separation is crucial because it ensures that each new cell will have the correct number of chromosomes. The movement of chromosomes during anaphase is facilitated by the shortening of the spindle fibers, which effectively pulls the chromatids toward opposite poles of the cell. This process is not only vital for the genetic integrity of the daughter cells but also highlights the precision of cellular mechanisms. A failure in anaphase can lead to serious consequences, such as aneuploidy, where cells end up with an abnormal number of chromosomes. Such errors can result in conditions like Down syndrome or contribute to the development of cancer. Therefore, understanding anaphase is not just an academic exercise; it has real-world implications for health and disease. As we move towards the final stages of mitosis, we reach telophase, where the separated chromosomes begin to de-condense back into chromatin, and the nuclear membranes reform around each set of chromosomes. This marks the conclusion of mitosis, followed by cytokinesis, where the cytoplasm divides, resulting in two distinct daughter cells. In summary, anaphase is a pivotal moment in the life cycle of a cell. It is the phase where the genetic material is meticulously divided, ensuring that each daughter cell inherits the necessary genetic information. The intricate dance of chromosomes during anaphase serves as a testament to the complexity and precision of biological processes. By studying anaphase and its role in mitosis, scientists can better understand cellular function and the implications of errors that may arise during cell division. This knowledge is crucial for advancements in medical research and therapeutic interventions.

细胞分裂的过程在生物学中是一个迷人的主题，特别是当我们探索有丝分裂的各个阶段时。在这些阶段中，一个关键的阶段被称为后期，它在确保每个子细胞获得相等和准确的染色体分配方面发挥着重要作用。要完全理解后期，首先必须掌握有丝分裂的整体背景，它由几个关键阶段组成：前期、中期、后期和末期。 在前期，染色质凝缩成可见的染色体，核膜开始解体。这为下一个阶段中期奠定了基础，在这个阶段，染色体在细胞的赤道平面上排列，附着在纺锤体纤维上。在这种排列过程中，细胞确保所有染色体都正确定位以进行分离。紧接着中期，我们进入关键的后期。 在后期，先前连接在一起的姐妹染色单体被纺锤体纤维拉开。每个染色单体现在被视为一个独立的染色体。这种分离至关重要，因为它确保每个新细胞将具有正确数量的染色体。在后期期间，染色体的运动是通过纺锤体纤维的缩短来促进的，这有效地将染色体拉向细胞的两极。这个过程不仅对子细胞的遗传完整性至关重要，而且突显了细胞机制的精确性。 后期中的失败可能导致严重的后果，例如非整倍体，其中细胞最终具有异常数量的染色体。这种错误可能导致唐氏综合症等疾病的发生，或促成癌症的发展。因此，理解后期不仅仅是一个学术练习；它对健康和疾病有着现实的影响。 随着我们走向有丝分裂的最后阶段，我们到达末期，在这个阶段，分开的染色体开始重新凝缩回染色质，核膜在每组染色体周围重新形成。这标志着有丝分裂的结束，随后是细胞质分裂，在此过程中细胞质分裂，形成两个不同的子细胞。 总之，后期是细胞生命周期中的一个关键时刻。它是遗传物质被仔细分配的阶段，确保每个子细胞继承必要的遗传信息。在后期期间染色体的复杂舞蹈证明了生物过程的复杂性和精确性。通过研究后期及其在有丝分裂中的作用，科学家们可以更好地理解细胞功能及其在细胞分裂过程中可能出现的错误的影响。这一知识对于医学研究和治疗干预的进步至关重要。