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- Numb, an important regulator of asymmetric cell division and cell-fate determination, has been implicated in different aspects of neural development in mammals. 生物谷报道:机体的不对称发育情况十分常见,在神经系统中表现十分广泛,左右大脑皮层功能是不同的等,那么其中的机理是什么呢?
- We could see that the only cells undergoing asymmetric cell division were the ependymal cells,” Gleason said. 我们发现发生细胞不对称分裂的唯一的细胞是室管膜细胞。”
- On rat brain samples, the researchers applied antibodies to identify proteins that may be involved in asymmetric cell division, and they found that polarization exists on the ependymal cells. 在大鼠脑模型上,研究者采用可能参与细胞不对称分裂的蛋白的抗体,他们发现极化存在于室管膜细胞。
- Any single cell division in such a series. 细胞分裂这种一组分裂中的任何一次简单细胞分裂
- asymmetric cell division 细胞不对称分裂
- Growth resulting from increase in cell size without cell division. 生长指由于细胞体积的增大而非细胞分裂而导致的生长
- But out-of-control cell division can fuel cancer. 但失控的细胞分裂会加速癌症的发生发展。
- A plant hormone that promotes cell division. 激动素能促进细胞分裂的植物激素
- The DNA of chromatin must replicate before cell division. 染色质DNA在细胞分裂之前必须复制。
- Young etiolated leaves may also be accompanied by cell division. 幼小的黄化叶子也可能伴随细胞分裂。
- Prophase The first stage of cell division in meiosis and mitosis. 前期:细胞减数分裂和有丝分裂的第一个阶段。
- Dynein also helps force apart chromosomes during cell division. 以及在细胞分裂中,提供了机械能协助染色体的分离。”
- New cell division and proliferation stop as the organism matures. 新的细胞分裂和增殖随生物体成熟而停止。
- Sustained cell division was attributed to the presence of 2. 4-D in the medium. 培养基中的2,4-D浓度对刺激细胞分裂至关重要。
- At lower concentrations they may even be stimulants of cell division. 在浓度较低时,它们甚至能促进细胞分裂。
- The zygote, by cell division, grows into a morula an then into a blastocyst. 通过细胞分裂,受精卵发育成桑葚胚,然后发育成囊胚。
- Asexual reproduction, as by budding, cell division, or parthenogenesis. 无性生殖通过芽接,细胞分裂或单性生殖而形成的无性繁殖
- Cytokinins are produced in roots, where they stimulate cell division. 细胞分裂素在根中产生可以促进细胞分裂。
- The plane of cell division is, in turn, determined by the orientation of the mitotic spindle. 细胞分裂的方向又是由有丝分裂的纺锤体所确定。
- 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