Essay 14: The biological importance of water


The biological importance of water:

  • Structure (Dipolar, Hydrogen bonds)
  • Solvent (Hydrophobic/phillic interactions, proteins, nucleic acids, diffusion of molecules, dilution of toxic compunds- urea)
  • Osmosis and turgidity (Effect on plants)
  • Transport medium (Xylem, phloem, blood, lymph, secretion, excretion)
  • High heat capacity (Temperature regulation)
  • High heat of vapourisation (Cooling effect- sweating…


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