Chap12 notes

Chap12 notes - Lauren Wells Biology Chapter 12 The Cell...

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Lauren Wells Biology Chapter 12- The Cell Cycle - Cell division o Genome Cell’s genetic information o Somatic Body cells o Diploid Full set of chromosomes 2n o Haploid Half of the number of chromosomes N o Gametes Reproductive cells Sperm and egg cells o Chromosomes DNA molecules o Chromatin DNA protein complex Uncondensed o Chromatids Replicated strands of a chromosome o Centromere Harrowing “waist” of sister chromatids o Mitosis Cell division o Cytokinesis Cytoplasm division o Meiosis Gamete cell division, to make cells Reduce diploid to haploid - The cell cycle o Interphase (90% of cycle) G1 Growth S phase Synthesis of DNA G2 phase- preparation for cell division o Mitotic Phase Mitosis
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Nuclear division Cytokinesis Cytoplasm division o Prophase Chromosomes visible Nucleoli disappear Make ribosomes Sister chromatids Mitotic spindle forms Centrosomes move
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Chap12 notes - Lauren Wells Biology Chapter 12 The Cell...

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