Biology

Card Set Information

Author:
SjmsLove
ID:
170613
Filename:
Biology
Updated:
2012-09-13 01:09:20
Tags:
Chemicals Water
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Description:
Chemicals and Water
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  1. 8 signs of life
    • growth
    • reproduction
    • carbon based
    • order
    • adaptation/evolution
    • response to environment
    • homeostasis
    • energy proccessing
  2. Most common elements
    carbon, oxygen, hydrogen, nitrogen
  3. Unequal number of protons and neutrons
    isotope
  4. 2 atoms are unequal in attraction for valance electrons
    more electronegative atom takes electron from the other atom
    Ionic Bond
  5. sharing electrons
    completes outermost shell of all atoms present
    Covalant bonds
  6. 1 atom is more electronegatively charged
    polar covalant bonds
  7. forms between 2 polar compounds
    forms between partially positive hydrogen and negative polar atom of other compound
    hydrogen bond
  8. shape determines....
    function
  9. liquid medium
    particles dissolve in this
    solvent
  10. particle
    solid
    dissolves
    solute
  11. solute + solvent
    solution
  12. water is the solvent
    aqueous solution
  13. water is...
    polar
  14. polarity of water causes
    • cohesion
    • adhesion
    • surface tension
  15. caused by hydrogen
    sticks in columb shape
    hydrogen bonds with other water molecules
    cohesion
  16. hydrogen bonds with other surfaces
    adhesion
  17. how easy it is to stretch/break surface
    surface tension
  18. stabalizes due to high specific heat
    this allows life to exsist
    moderation of temperature
  19. amount of heat needed to change temperature of 1g of a substance 1degree celsius
    specific heat
  20. solvent of life
    water
  21. water loving
    hydrophillic
  22. water hating
    hydrophobic
  23. cellulose is
    both hydrophillic and hydrophobic

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