Q: In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.
This event sees the non proteolytic dissociation of a majority of cohesins from chromosomes by Polo-like kinase in Xenopus. Plant cells sometimes also need a phragmosome to split large vacuoles during it, and this stage sees the use of Gamma Tubulin to drive the centrosomes apart. The nuclear membrane and nucleolus disappear during this stage, which also sees the connection of two sister chromatids at a centromere. The chromatin material condenses into chromosomes in, for 10 points, which first stage of mitosis, which is followed by metaphase
A:
Science