Cell Cycle


	The Cell Cycle The Key Roles of Cell Division Binary Fission Cell division functions in reproduction, growth, and repair Single celled organisms reproduce via cell division Multicellular organisms depend on it for development after fertilization, growth, and repair Cell division distributes identical sets of chromosomes to daughter cells Eukaryotic cell division consists of mitosis (division of the nucleus), and cytokinesis (division of the cytoplasm) DNA is partitioned among chromosomes making it easier for the eukaryotic cell to replicate and distribute its huge amounts of DNA Chromosomes consist of DNA and protein that condenses during mitosis When chromatids replicate, they form identical sister chromatids The chromatids separate during mitosis and become the chromosomes of the new daughter cells The Mitotic Cell Cycle The Mitotic phase alternates with interphase in the cell cycle Mitosis and cytokinesis make up the M phase (Mitotic Phase) Between divisions cells are in interphase, the G1, S, and G2 phases The cell grows throughout interphase but DNA is replicated ONLY during the S (Synthesis) phase Mitosis is continuous and can be described in 5 phases Prophase, Prometaphase, Metaphase, Anaphase, and Telophase A brief visual introduction to mitosis More Cell Cycle Resources Links to Student Help pages: Simple Thermodynamics Chemical Bonding Endothermic Reactions (Fun activity) Exothermic Reactions (Fun Activity) Astronomy for Kids How to Use a Sky Map Planetarium Software Astronomy Unit Study/Activities What is Molecular Biology Mendelian Genetics Molecular Genetics DNA Replication DNA Replication Enzymes DNA Replication Mechanism What is Cell Biology Cellular Components The Endomembrane System Golgi Apparatus Vesicles and Cellular Transport The Mitochondria The Plasma Membrane Plant Biology Photosynthesis Parts of a Plant Plant Life Cycle 1 Plant Life Cycle 2 Cell Cycle Cell Cycle Mitosis Cell Cycle Control Leave Cell Cycle and go to Mitosis
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