Cell Biology

  1. Cell Cycle and Cell Division
    1. Cell Cycle Overview
      1. Cell Cycle Phases
        1. Interphase
          1. G1 Phase
            1. S Phase
              1. G2 Phase
              2. M Phase
                1. Mitosis
                  1. Cytokinesis
                2. Cell Cycle Checkpoints
                  1. G1/S Checkpoint
                    1. Intra-S Checkpoint
                      1. G2/M Checkpoint
                        1. Spindle Assembly Checkpoint
                      2. Cell Cycle Regulation
                        1. Cyclins and Cyclin-Dependent Kinases
                          1. G1/S Cyclins
                            1. S Phase Cyclins
                              1. M Phase Cyclins
                                1. CDK Regulation
                                2. CDK Inhibitors
                                  1. CIP/KIP Family
                                    1. INK4 Family
                                    2. Checkpoint Control Mechanisms
                                      1. p53 Pathway
                                        1. Rb Pathway
                                      2. Mitosis
                                        1. Prophase
                                          1. Chromosome Condensation
                                            1. Nuclear Envelope Breakdown
                                              1. Centrosome Separation
                                              2. Prometaphase
                                                1. Kinetochore Assembly
                                                  1. Spindle Formation
                                                  2. Metaphase
                                                    1. Chromosome Alignment
                                                      1. Spindle Checkpoint
                                                      2. Anaphase
                                                        1. Sister Chromatid Separation
                                                          1. Chromosome Movement
                                                          2. Telophase
                                                            1. Nuclear Envelope Reformation
                                                              1. Chromosome Decondensation
                                                              2. Cytokinesis
                                                                1. Animal Cell Division
                                                                  1. Contractile Ring Formation
                                                                    1. Cleavage Furrow
                                                                    2. Plant Cell Division
                                                                      1. Cell Plate Formation
                                                                        1. New Cell Wall Synthesis
                                                                    3. Meiosis
                                                                      1. Meiosis Overview
                                                                        1. Reduction Division
                                                                          1. Genetic Recombination
                                                                          2. Meiosis I
                                                                            1. Prophase I
                                                                              1. Chromosome Pairing
                                                                                1. Synapsis
                                                                                  1. Crossing Over
                                                                                  2. Metaphase I
                                                                                    1. Bivalent Alignment
                                                                                    2. Anaphase I
                                                                                      1. Homolog Separation
                                                                                      2. Telophase I
                                                                                        1. Nuclear Division
                                                                                      3. Meiosis II
                                                                                        1. Prophase II
                                                                                          1. Metaphase II
                                                                                            1. Anaphase II
                                                                                              1. Telophase II
                                                                                              2. Sources of Genetic Variation
                                                                                                1. Independent Assortment
                                                                                                  1. Crossing Over
                                                                                                    1. Random Fertilization
                                                                                                  2. Cell Division Control
                                                                                                    1. Growth Factors
                                                                                                      1. Mitogenic Signals
                                                                                                      2. Contact Inhibition
                                                                                                        1. Density-Dependent Inhibition
                                                                                                        2. Apoptosis
                                                                                                          1. Programmed Cell Death
                                                                                                            1. Cell Cycle Exit

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                                                                                                        6. Cell Communication and Signal Transduction

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                                                                                                        8. Gene Expression and Regulation