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BIOL 239 (290)
Lecture

mitosis.doc

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Department
Biology
Course
BIOL 239
Professor
Christine Dupont
Semester
Winter

Description
Mitosis Cell Cycle - interphase - steps where cells are doing their thing and getting ready for mitosis - systhesis - replicate dna - g2 - cell getting ready for mitosis - m phase - cell division happens mitosis = division of the nucleus - to produce genetically identical cells The Nucleus - to get in or out of nucleus need to have certain signals chromatin - DNA and protein combination nucleoplasm - similar to cytoplasm in cell - dna will get replicated, membrane will break down as moving into mitosis G1 - cells in Gnot, are perminantly stuck in G phase. cannot be replaced Sphase - duplication of chromosomes - centromeere located near middle - metacentric chromosome - if near end - acrocentric chromosome G2 - getting ready to divide Mitosis Prophase - cell has moved into mitosis. chromosomes have started to condense. spindle fibers starting to organise o
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