Simple IB Biology

#1.1 Cell Biology - Introduction to cell theory

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Welcome everyone in the first episode of this podcast we are going to understand the key concepts of the first part of IB biology which are:

  • According to the cell theory, living organisms are composed of cells
  • Organisms consisting of only one cell carry out all the functions of life in that cell
  • Surface area to volume ratio is important in the limitation of cell size
  • Multicellular organisms have properties that emerge from the interaction of their cellular components
  • Specialized tissues can develop by cell differentiation in multicellular organisms
    • ...more
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    Simple IB BiologyBy Amirali Ghajari