| 单词 | 细胞核 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔achromatin〕The part of a cell nucleus that remains less colored than the rest of the nucleus when stained or dyed.非染色质：在染色时，细胞核中比核其它部分染色少的部分美国传统〔anaphase〕The stage of mitosis and meiosis in which the chromosomes move to opposite ends of the nuclear spindle.细胞分裂后期：染色体向细胞核轴心相反一端移动的有丝分裂和减数分裂阶段美国传统〔animal pole〕The portion of an egg opposite the vegetal pole that contains the nucleus and most of the cytoplasm.动物性极：与包含细胞核和多数细胞质的植物性极相对的卵的部分美国传统〔autogamy〕Biology The union of nuclei within and arising from a single cell, as in certain protozoans and fungi.【生物学】 自核交配：某些原生动物或真菌中发生于或在单个细胞内细胞核的接合作用美国传统〔cell〕The nucleus splits during cell division.细胞核随着细胞分裂而分裂。韦氏高阶〔centrosome〕A small region of cytoplasm adjacent to the nucleus that contains the centrioles and serves to organize microtubules.中心体：细胞质与细胞核相邻的一块含有中心粒的区域，用来组成微管美国传统〔chromatin〕A complex of nucleic acids and proteins in the cell nucleus that stains readily with basic dyes and condenses to form chromosomes during cell division.染色质，核染质：细胞核中由核酸与蛋白质组成的核酸复合物，容易被基本染料染色， 在细胞分裂期会浓缩而形成染色体美国传统〔cytokinesis〕The division of the cytoplasm of a cell following the division of the nucleus.胞质分裂：由细胞核的分裂而产生的细胞质的分裂美国传统〔diplosis〕The formation during fertilization of the diploid number of chromosomes by the fusion of the nuclei of two haploid gametes.倍加作用：由两个单倍配子细胞核结合而使染色体体二倍数形成受精美国传统〔endomitosis〕A process by which chromosomes replicate without the division of the cell nucleus.核内有丝分裂：不产生细胞核裂变的染色体复制过程美国传统〔eukaryote〕A single-celled or multicellular organism whose cells contain a distinct membrane-bound nucleus.真核生物：一种单细胞或多细胞有机体，细胞内具有一个明显可见的、被膜包围的细胞核美国传统〔extranuclear〕Located or occurring outside the nucleus of a cell.细胞核外的：位于或存在于细胞核外面的美国传统〔germinal vesicle〕The enlarged nucleus of an oocyte before meiotic division is completed.胚胞：在分裂完成前卵母细胞的扩大的细胞核美国传统〔harbor〕She studies the genetic material harbored in a cell's nucleus.她研究细胞核中含有的遗传物质。韦氏高阶〔intranuclear〕Situated or occurring within the nucleus of an atom or a cell.核内的：位于或发生于原子核或细胞核内部的美国传统〔karyogamy〕The coming together and fusing of cell nuclei, as in fertilization.核融合，核配合：细胞核的融合，如受精过程中美国传统〔karyolymph〕The colorless, liquid component of the cell nucleus.细胞核液：细胞核中无色的液体成分美国传统〔linin〕The filamentous, achromatic material in the nucleus of a cell that interconnects chromatin granules.核丝：细胞核中丝状非染色质，起着联系染色质颗粒的作用美国传统〔macronucleus〕The larger of two nuclei present in ciliate protozoans, which controls nonreproductive functions of the cell, such as metabolism.大核：原生动物纤毛虫类体中两个细胞核中较大的一个，控制细胞的非生殖性功能，如新陈代谢美国传统〔megakaryocyte〕A large bone marrow cell with a lobulate nucleus that gives rise to blood platelets.巨核细胞：大骨髓细胞，有由小叶组成的能产生血小板的细胞核美国传统〔metaphase〕The stage of mitosis and meiosis, following prophase and preceding anaphase, during which the chromosomes are aligned along the metaphase plate.中期：细胞核的有丝分裂和减数分裂阶段，发生于前期之后和后期之前，在此期间内染色体在中期板平面上定向排列美国传统〔micronucleus〕The smaller of two nuclei in ciliate protozoans that contains genetic material and functions in reproduction.小核，微核：原生动物纤毛虫类体内两个细胞核中较小的一个，其中含有基因材料和繁殖功能美国传统〔mitosis〕The entire process of cell division including division of the nucleus and the cytoplasm.有丝分裂过程：包含细胞核和细胞质分裂的整个细胞分裂过程美国传统〔nuclein〕Any of the substances present in the nucleus of a cell, consisting chiefly of proteins, phosphoric acids, and nucleic acids.核素：出现在细胞核中的物质，主要由蛋白质、磷酸和核酸组成美国传统〔nucleoid〕The part of a bacterium or virus that contains nucleic acid and is analogous in function to the nucleus of a eucaryotic cell.类核，病毒核心：含核酸并且功能与真核细胞核功能类似的细菌或病毒的部分美国传统〔nucleus〕DNA is stored in the nucleus of a cell.脱氧核糖核酸存在于细胞核中。剑桥高阶〔perikaryon〕The cell body of a neuron, containing the nucleus and organelles.核周体：神经元细胞体，包括细胞核和细胞器官美国传统〔perisperm〕The nutritive tissue that is derived from the nucleus and surrounds the embryo of the seed.外胚乳：包在种子胚芽外，产生于细胞核的营养性组织美国传统〔plasmogamy〕Fusion of two or more cells or protoplasts without fusion of the nuclei, as occurs in higher terrestrial fungi.胞质配合：发生在较高级的陆生真菌中的两个或多个细胞或原生质体的融合，而细胞核不融合美国传统〔polar nucleus〕Either of two nuclei located centrally in a flowering plant embryo sac that eventually fuse to form the endosperm nucleus.极核：位于一株开花植物的胚囊中央的两个细胞核的任一个，这两个细胞核最终融合而形成内胚乳细胞核美国传统〔pole〕Either extremity of the main axis of a nucleus, a cell, or an organism.卵细胞的极：细胞核、细胞或有机体的主轴两端的任一端美国传统〔polyadenylic acid〕A polymer of adenylic acid attached to messenger RNA that stabilizes the molecule before transport from the nucleus into the cytoplasm.多聚腺苷酸：一种腺苷酸的聚合物，附在信使核糖核酸上，它能使分子在从细胞核传递到细胞质之前得到稳定美国传统〔polymorphonuclear〕Having a lobed nucleus. Used especially of neutrophil white blood cells.（白细胞）分叶核的：有一个分叶的细胞核，尤用来指嗜中性的白细胞美国传统〔pronucleus〕The haploid nucleus of a sperm or egg before fusion of the nuclei in fertilization.原核，前核：在受精细胞核结合之前，精子或卵子的单倍体细胞核美国传统〔replicate〕DNA replicates in the cell nucleus.*DNA在细胞核中自我复制。韦氏高阶〔replicate〕DNA replicates itself in the cell nucleus.*DNA在细胞核中自我复制。韦氏高阶〔syncytium〕A mass of cytoplasm with many nuclei but no internal cell boundaries.多核体：有许多细胞核但内部没有细胞分界线的一团细胞质美国传统〔synizesis〕Biology The phase of meiosis in some species in which the chromatin contracts into a mass at one side of the nucleus.【生物学】 合质期：某些物种成熟分裂的一个阶段，此时染色质在细胞核的一侧收缩为一块美国传统〔synkaryon〕The nucleus of a fertilized egg immediately after the male and female nuclei have fused.受精核：雄性与雌性胞核溶合后受精卵细胞的细胞核美国传统〔telophase〕The final stage of mitosis or meiosis during which the chromosomes of daughter cells are grouped in new nuclei.末期：有丝分裂或成熟分裂的最后阶段，在此期间子细胞的染色体被聚集在新细胞核中美国传统An animal or plant cell consists of a nucleus and cytoplasm enclosed within a cell membrane.一个动物或植物的细胞由被细胞膜包围的细胞核和细胞质组成。剑桥国际DNA is stored in the nucleus of a cell.脱氧核糖核酸贮存于细胞的细胞核里。剑桥国际In the picture, you can clearly see that each cell is surrounded by a membrane and also that every cell contains a nucleus.在图中，你可以清晰地看到每个细胞外面都有细胞膜包裹，中间都包含有细胞核。剑桥国际It is possible to transplant chromosomes in cell nuclei. 移植细胞核内的染色体是可能的。译典通The rate at which nuclei fuse is much greater when the plasma is hotter.当血浆温度更高时，细胞核的结合比例会高得多。剑桥国际 |
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