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- There was no plastid in generative cell and sperm. 生殖细胞与精子里缺乏质体。
- The generative cell and the vegetative nucleus are proposed to form a functional assemblage, the male germ unit (MGU). 生殖细胞一端伸入营养核裂片间隙,2者构成雄性生殖单位。
- Generative cell One of the haploid cells in the POLLEN TUBE of seed platns. 生殖细胞:是位于种子植物花粉管中的一个单倍体细胞。
- Pollen of Torenia fournieri is two-celled and the division of generative cell occurs in the pollen tube. 摘要蓝猪耳是二细胞型花粉,生殖细胞在花粉管中分裂形成两个精细胞。
- The surface of the generative cell shows some wave-like extrusions in the opposite direction of the vegetative cell. 生殖细胞表面产生波状突起,波峰背离营养核。
- Generative nuclei The two gametic nuclei formed by the division of the generative cell in the pollen tube of angiosperms. 雄原核:在被子植物花粉管中的生殖细胞(应为雄原核译者注)分裂成两个配子的核。
- The wall of the generative cell is electron translucent.The generative nucleus is elongated and the generative cytoplasm contains Golgi bodies and endoplasmic reticula. 生殖细胞流线型,细胞壁电子透明,细胞核伸长,细胞质含高尔基休、内质网,不含质体。
- The paper formulates the methods of human generative cell gene therapy, analyses the problems and considerations on the espacts of technique and social ethic, and produces relative developing strategy. 阐述了人类生殖细胞基因治疗的方法,分析了在技术方面和社会伦理方面存在的问题及引发的思考,提出了与之相应的发展对策。
- The paper formulates the methods of human generative cell gene therapy,analyses the problems and considerations on the espacts of technique and social ethic,and produces relative developing strategy. 阐述了人类生殖细胞基因治疗的方法,分析了在技术方面和社会伦理方面存在的问题及引发的思考,提出了与之相应的发展对策。
- Morphology of generative cells in pollen grains of 10 plants of Sect.Camellia and Sect. 摘要用光学显微镜对茶组、油茶组和红山茶组植物共10份材料的花粉粒生殖细胞进行了形态观察。
- When pressure is lost, the air pressure inside the cell meeting general cell is restorable. 当压力失去时,细胞内的空气压力会将细胞恢复原状。
- Morphology of generative cells in pollen grains of 10 plants of Sect.Camellia and Sect.Oleifera was observed with LM. 摘要用光学显微镜对茶组、油茶组和红山茶组植物共10份材料的花粉粒生殖细胞进行了形态观察。
- It is motile and is produced in an antheridium, except in certain gymnosperms (e.g.Cycas, Ginkgo) in which antherozoids develop from the generative cells of the pollen tube. 除了在一些由花粉管的生殖细胞产生配子的裸子植物中(铁树Cycas,银杏Ginkgo),通常是由精子器产生的并且会游动。
- A storage cell in some amorphous memory devices. 某些非晶体存储器中的一个存储单元。
- She was found prostrate on the floor of the cell. 有人发现她趴在小屋的地板上。
- Manipulation of pollen protoplasts, generative cells, sperms, embryo sacs and egg cells, in vitro intergametic fusion and gameto-somatic fusion are of main interest in current subjects. 花粉原生质体、生殖细胞、精子、胚囊、卵细胞的操作、雌雄配子体外融合、配子-体细胞杂交等,代表了当前的主要研究趋势。
- The prisoner rapped out a message on the cell wall. 那囚犯敲打囚室的墙来传达讯息。
- To define the mechanism underlying this mitotic defect, we generated cells that differ only in their centrosome number. 本期封面所示为具有额外中心体的一个人细胞中的一个过渡性多极纺锤体中间形态。
- The prisoner raped out a message on the cell wall. 那囚犯敲打囚室的墙来传达讯息。
- The growth of successive layers of a cell wall. 敷着,附着细胞壁连续层的生长