Results: The patients with abnormal semen parameters had a significantly lower MMP [1337.7 (1066.38, 1879.2)], and higher ROS [1.12 (0.26, 3.86)] than the donors [MMP: 2482.9 (2162.5, 3520.6)] and [ROS: 0.10 (0.01, 0.14)]. The MMP was positively correlated with sperm concentration (r ...
In Caenorhabditis elegans, the distal tip cell (DTC) regulates the mitosis/meiosis choices of the germ cells. This cell signaling re... L Qiao 被引量: 0发表: 1997年 RNA Interference: A New Way to Analyze Protein Function Enhancers of glp-1, a gene required for cell-signaling in ...
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
We targeted the locus encoding the cyclin-dependent kinase 2 (CDK2) by homologous recombination in mouse embryonic stem (ES) cells. Embryonic fibroblasts lacking CDK2 proliferate normally and become immortal after continuous passage in culture. Eliminati
The first defects in embryos and eggs from mutant mothers first appear just after the completion of meiosis, and are seen as abnormal associations among the resultant haploid nuclei. These defects are associated with asynchronies in the cell cycle-dependent chromatin condensation state of the haploid...
Spermatogonia (SG) divide by mitosis, differentiate, and commit to meiosis. Spermatocytes (SC) go through two rounds of meiotic division and give rise to haploid round spermatids (RS). The RS then enter terminal differentiation, acquiring unique structures such as the acrosome and flagellum to ...
Chromosome segregation during mitosis and meiosis depends on the linkage of sister DNA molecules after replication. These links, known as sister-chromatid cohesion, are provided by a multi-subunit complex called cohesin. Recent papers suggest that chromatin-remodeling complexes also have a role in the...
Add Meiosis (cells divide and reproduce in two ways, mitosis and meiosis. Mitosis results in two identical daughter cells, whereas meiosis results in four sex cells. Below we highlight the keys differences and similarities between the two types of cell division.) 5 tsps. of Animal (beast) ...
A chromodomain protein, Swi6, performs imprinting functions in fission yeast during mitosis and meiosis Cell, 101 (2000), pp. 307-317 View PDFView articleGoogle Scholar Paulsen et al., 1995 J.E Paulsen, E.E Capowski, S Strome Phenotypic and molecular analysis of mes-3, a maternal-effect...
Autonomous regulation of the anaphase-promoting complex couples mitosis to S-phase entry. Oscillations in cyclin-dependent kinase (CDK) activity drive the somatic cell cycle. After entry into mitosis, CDKs activate the anaphase-promoting complex... M Rape,Kirschner, MW - 《Nature》 被引量: 592...