BIOL 1090 Lecture Notes - Lecture 2: Cytokinesis, Condensin, Nuclear Membrane

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Mitoic cells in the adult would be considered stem cells: i. e. neural stem cells, follicle hair stem cells, mammary stem cells, muscle stem cells, intesinal stem cells, epithelial stem cells, and haematopoeic (blood) stem cells. The most common view of dna is the chromosome during metaphase, which is really one chromosome that has been duplicated to create the x igure. Each mitoic chromosome is comprised of a pair of sister chromaids, which are idenical to each other. Keep in mind that while the dna is the main focus of mitosis-the entire cell divides more or less equally. Cell cycle can be 30min to several years there is no invariant clock that regulates cell cycle iming in eukaryoic cells. Cellular organelles and cytoplasmic contents are divided more or less equally between daughter cells. Endoplasmic reiculum and golgi complex are fragmented at the ime of division and reformed in daughter cells. Mitochondria and chloroplasts are randomly divided between daughter cells.

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