Cell Division

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Cell Division Mitosis
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Cell division varies between Prokaryotic and
Eukaryotic Cells

• Prokaryotic cells are single celled organisms.
  Before the bacterium can divide there must be two
  copies of its DNA. This occurs by the DNA
  molecule unzipping itself into two different
  strands, which will form two separate
  interdependent strands.

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• Once the DNA has replicated itself and the cell
  has grown to an appropriate size, the bacterium
  splits into two equal halves through a process
  called binary fission.

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• Draw a picture of Binary Fission
• Asexual Reproduction

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• Eukaryotic cells undergo nuclear division (
  asexual reproduction). The life of a eukaryotic
  cell is traditionally diagrammed as a cell cycle.
  

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• 1. G1 Phase rapid growth and metabolic
  activity, protein synthesis, cell spends most
  time in this phase.

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• S phase DNA synthesis and replication (copies),
  chromosomes duplicate and other cellular
  organelles.

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• G2 Phase centrioles replicate cell prepares for
  division

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• M phase MITOSIS-period of nuclear division in
  which two daughter nuclei are formed, each
  containing a complete set of chromosomes.

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• C Phase Cytokinesis-process following mitosis or
  meiosis in which the cells cytoplasm divides and
  separates into new cells.
• Division of the Cytoplasm

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Cells Alive Cell Cycle
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