Biology 1001A Lecture Notes - Telophase, Apoptosis, Microfilament

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5 Jul 2014
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Spindle separates the 2 sister chromatids of each chromosome & moves them to opposite spindle ends. New nuclear envelopes form around the daughter nuclei (cytokinesis) Division of cytoplasm as result of a furrow at the midpoint. 2 parts of centrosome generate spindle as they separate (prometaphase) Microtubules from opposite spindle poles attach to the 2 kinetochores of each chromosome. Amount of dna throughout cell cycle (human cell) S: dna replication = dna content doubled (2n, 4c) Telophase: (4n, 4c) cytokinesis: (2n, 2c) in each daughter cell. Location of actively cycling cells in multicellular animals/plants: most cells in multicellular organisms are not cycling. Trunk (meristem in trunk is continuously in mitosis) Lecture 8 inheritance of sameness: cells that form xylem elements in vascular tissue of woody plants function as. Skeletons , must die to fulfill their function as hollow, h20-conducting pipes: cells gage their age by the length of their telomeres (shorter indicates older, cells need to know when to die.

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