有丝分裂(mitosis and meiosis主要指体细胞的繁分子及相关的蛋白经过复制后平均分配到两个子细胞中;包含两个紧密相连的过程:核分裂和质分裂。即细胞分裂为二,各含有一个核。分裂过程包括四个时期:前期、中期、后期、末期。在分裂过程中经过染色体有规律的和准确的分裂,而且在分裂中有纺锤丝的出现,故称有丝分裂。
Discuss the role of microfilaments in cytokinesis. Explain the process of mitosis and meiosis. Explain in detail how they differ. Describe the process of mitosis and meiosis. Explain each in detail. Explain how cells regulate the process of mitosis. ...
Mitosis and meiosis, respectively分别, make simple cell division and sexual reproduction possible. Each means of passing on hereditary 遗传 information has advantages. In asexual 无性的 reproduction the parent organism生物体 gives rise to offspring 后代that are genetic clones of the parent. The advant...
Dai, Observation of mitosis and meiosis in rice cells by simple squash method, Agric. Sci. Technol. 10 (5) (2009) 96-99.Yang, X., & Dai, X. (2009). Observation of mitosis and meiosis in rice cells by simple squash method. Agricultural Science and Technology, 10 , 96–99....
有丝分裂与减数分裂(Mitosis / Meiosis).相关知识点: 试题来源: 解析 有丝分裂形成具有相同遗传物质的细胞,是个体生长发育的基础;减数分裂通过遗传物质重组并减半形成配子,是生物体世代延续的保证,更是遗传与变异的来源,是生物进化的一个动力。反馈 收藏
The process of cell division is called ___. A. mitosis B. meiosis C. fertilization D. embryogenesis 相关知识点: 试题来源: 解析 A。“mitosis”是细胞分裂的过程。“meiosis”是减数分裂;“fertilization”是受精;“embryogenesis”是胚胎发生。反馈...
百度试题 结果1 题目During which process does crossing over occur? A. Mitosis B. Meiosis I C. Meiosis II D. Both mitosis and meiosis 相关知识点: 试题来源: 解析 B。原因:交叉互换发生在减数第一次分裂过程中,同源染色体配对时。反馈 收藏 ...
What's the difference between mitosis and meiosis?Learn more with our side-by-side comparison. Need to review the different parts of the cell and what they do?We walk you through thefunctions of the cell membrane,endoplasmic reticulum, andvacuoles. If you learn better by looking at the big...
题目 Mitosis results in ( ) chromosome number while meiosis results in ( ) chromosome number. A.a doubling of; no change inB.no change in; on change inC.a reductionq by half in; no change inD.no change in; a reduction by half in 相关知识点: 试题来源: 解析 D 反馈 收藏 ...
百度试题 结果1 题目Which of the following is a type of mutation? A. Mitosis B. Meiosis C. Translocation D. Anaphase 相关知识点: 试题来源: 解析 C 反馈 收藏