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Overview of the Cell Cycle definitions

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  • Interphase
    Period between divisions where the cell grows and prepares for DNA replication, encompassing both gap phases and S phase.
  • Gap Phases
    Growth periods before and after DNA replication, allowing the cell to increase in size and prepare for the next stage.
  • S Phase
    Stage where the cell duplicates its genetic material, ensuring each daughter cell receives a complete genome.
  • M Phase
    Short but critical period where the cell physically divides, including the process of cytokinesis.
  • Cytokinesis
    Physical separation of two newly formed cells, finalizing the division process after mitosis.
  • Cell Cycle
    Repetitive sequence of growth, DNA replication, and division that maintains organismal development and tissue renewal.
  • Cell Cycle Control System
    Network of proteins that regulates progression through the cell cycle, ensuring accuracy and timing of division.
  • Checkpoint
    Regulatory pause point where cellular conditions are verified before advancing to the next cell cycle phase.
  • G1 Checkpoint
    Control point ensuring proper cell growth before DNA replication begins.
  • G2 Checkpoint
    Control point verifying cell growth and DNA replication accuracy before division.
  • Spindle Assembly Checkpoint
    Control mechanism confirming correct microtubule arrangement for accurate chromosome separation.
  • Mitotic Index
    Measurement indicating the proportion of cells undergoing mitosis within a population at a given time.
  • Eukaryotic Cell Division
    Process involving sequential phases that ensure genetic material is accurately distributed to daughter cells.
  • Stem Cells
    Frequently dividing cells capable of generating various specialized cell types for growth and repair.
  • Cancer
    Consequence of disrupted cell cycle control, leading to uncontrolled cell proliferation and potential organismal harm.