ions and why they're needed

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  • Ions and why they are needed for living things
    • Magnesium
      • Constituent of chlorophyll
      • Mg²?
    • Iron
      • Fe²?
      • Constituent of haemoglobin
      • not enough = low red blood cells
    • Calcium
      • Ca²?
      • Strengthen teeth and bones
      • Part of the cellulose cell walls in plant cells
    • Phosphate
      • found in cell membranes and nucleic acids (DNA + RNA)
      • P³?


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