3.1.8 Inorganic Ions

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  • 3.1.8 Inorganic Ions
    • Found in organisms
      • Occur in solutions in cytoplasm & as part of larger molecules
      • Found in a range of concentrations
    • Hydrogen ions
      • Determine the pH of solutions
        • Determine the functioning of enzymes
    • Iron ions
      • Component of haemoglobin
      • Play a role in the transport of oxygen
    • Sodium ions
      • Co-transport of glucose & amino acids across plasma membranes
    • Phosphate ions
      • Components of DNA and ATP
        • Play a structural role

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