卵子受精之前，这种基因会产生一种蛋白质，这种蛋白质存在于卵子的细胞质中，它控制着细胞分裂的模式，从而控制着旋向性。
Before egg fertilization, the gene produces a protein, found in the cytoplasm of the egg, that controls the pattern of cell division and thus handedness.
在陆地棉小孢子发生过程中，相邻的减数分裂细胞壁中的细胞质通道是一个明显的特征。
The cytoplasmic channel in the wall of adjacent meiocytes was an obvious feature during microsporogenesis in Gossypium hirsutum.
对于细胞的辐射敏感性，有丝分裂与辐射效应的表现，以及辐射作用对于胞质和胞核的影响等问题作了初步的讨论。
The problems, such as the cellular radiosensitivity, the mitosis and the expression of the radiation effects, and the action of radiation on cytoplasm and nucleus, are tentatively discussed.
减数分裂后，小孢子开始退化，首先是小孢子壁开始变形，随后原生质浓缩，形成干秕、皱缩的小孢子。
After the meiosis, however, the microspores began to degenerate to become blighted and wrinkled ones, starting from the deforming of their walls and concentration of their protoplasm.
棉花细胞质雄性不育花药、叶片和胚珠中，IA A氧化酶、色氨酸合成酶和细胞分裂素氧化酶活性的变化与内源激素含量的变化基本一致。
Changes of the activity of IAA oxidase, tryptophan synthetase and cytokinin oxidase in sterile anther, leaf and ovule were similar to those of phytohormones.
光镜下观察，各治疗组与荷瘤对照组比较，异型细胞较少，染色质浓缩边集，病理性核分裂较少。
There were some cell morphological changes of the TG, DG and ZG, including the chromatin condensed in margin and the pathological karyokinesis reduced obviously compared with the MG.
它们体积细小，细胞质浓，细胞核大，无大液胞，细胞壁薄，具有较多粒线体和核糖体，能不断进行细胞分裂。
They are usually small, with dense protoplasm, large central nucleus and few vacuoles. Their cell walls are thin and without secondary deposits. They have large Numbers of mitochondria and ribosomes.
它们体积细小，细胞质浓，细胞核大，无大液胞，细胞壁薄，具有较多粒线体和核糖体，能不断进行细胞分裂。
They are usually small, with dense protoplasm, large central nucleus and few vacuoles. Their cell walls are thin and without secondary deposits. They have large Numbers of mitochondria and ribosomes.
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