Mechanistic model for MTOC maturation in GV oocytes. The MTOC (grey) activates near the oocyte cortex, which requires recruitment of CKAP5 and TACC3. After activation, MTOC migrates to the nuclear ...

Mitosis is a process of nuclear division in eukaryotic cells that occurs when a parent cell divides to produce two identical daughter cells. During cell division, mitosis refers specifically to the ...

As plants evolved from an aquatic to a land environment, their gametes became transmitted through the air by insects or wind and they lost the ability to make the flagella that are used by animals and ...

American Journal of Botany, Vol. 28, No. 8 (Oct., 1941), pp. 713-722 (10 pages) The first microspore division in many seed plants differs from the usual type of mitosis in that: (1) the prophase ...