Study

Biomolecules - Water

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  • State the property of water that allows much smaller temperature fluctuations in lakes and oceans than in terrestrial (land-based) habitat?
    High specific heat capacity
  • Water is produced in the ______ reaction.
    condensation
  • Which atom in a water molecule is "greedy" for electrons, giving it a negative charge?
    Oxygen
  • When water molecules stick to the walls and other substances it is called?
    Adhesion
  • When water molecules are attracted to one another and stick to each other it is called?
    Cohesion
  • Why does water move from the roots to the leaves of plants?
    Capillary action pulls the water molecules up
  • What type of bond is responsible for binding water molecules to other water molecules?
    Hydrogen bond
  • Water has a high ____ meaning it can absorb much energy without increasing in temperature.
    specific heat
  • The reason the water balloon did NOT pop while held over a flame is water's _________.
    High specific heat capacity
  • State the property of water that allows the cooling of the skin during sweating?
    High latent heat of vaporisation
  • Why is water considered a polar molecule?
    The oxygen end is slightly negative and the hydrogen end is slightly positive
  • The property which allows insects and other organisms to walk on water is called?
    Surface tension
  • State the property of water that allows the transport of glucose and ions in a mammal?
    Water as a solvent