Cell cycle I - The Cell Cycle I Cell division is important...

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The Cell Cycle I ± Cell division is important for the continuity of life. ± Cell division functions in reproduction, growth, and repair ± Cell division distributes identical sets of chromosomes to daughter cells Tubulin / CeBUB-1 / DNA
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± What happens during each phase of the cell cycle? ± Which proteins are involved in the regulation of the cell cycle? ± Which cyclins and cyclin-dependent kinases are most important in individual phases of the cell cycle? ± What are the four mechanisms for regulating cyclin- dependent kinase activity? ± What role do p53, p21, and pRb play in the G1 to S transition? The mechanism of cell division and the molecular checkpoints G1phase: Cell growth, increase in mass and size; S phase: DNA replication; G2 phase: DNA exist as chromatid; centrosome replication. Mitosis: 6 stages: 1. Prophase: Centrosome migration; chromosomes begin to condense, appearing as long threads. 2.
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Cell cycle I - The Cell Cycle I Cell division is important...

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