Pages in this set

Page 1

Preview of page 1
Unit 2
BIOLOGICAL MOLECULES
Section 1


Water
Water is Essential to Living Organisms
Makes up about 80% of cells contents
Is a reactant in lots of chem. reactions e.g. photosynthesis &
hydrolysis reactions
Is a solvent ­ substances dissolve in it. Most biological reactions take
place in solution.
Transports substances.…

Page 2

Preview of page 2
Unit 2
BIOLOGICAL MOLECULES
Section 1



Hydrogen Bonds Give Water a High Specific Heat Capacity
Specific heat capacity ­ the energy needed to raise the temperature
of 1g of a substance by 1oC.
H bonds between water molecules can absorb a lot of energy.
So water has a high specific…

Comments

No comments have yet been made

Similar Biology resources:

See all Biology resources »