Biochemistry Flashcards
1
Q
Inorganic compounds (5)
A
- no living origin
- no C
- elements and simple
- don’t burn in O
- eg. water
2
Q
Monomers
A
Single molecules
3
Q
Polymers
A
Long molecules formed by repeating patterns of monomers
4
Q
Water (4)
A
- through photosynthesis, source of O
- solvent, medium, reagent
- habitat
- bone tissue = 20%, brain cells = 85%, body = 70%
5
Q
Oxygen
A
Strong, attracts a lot of electrons, negative
6
Q
Hydrogen
A
Weaker, positive
7
Q
Water has
A
Polar molecules, one side +, one side -
8
Q
Hydrogen bonds
A
Form between water molecules
9
Q
Cohesion
A
Attraction between like substances
10
Q
Adhesion
A
Attraction between different substances
11
Q
Hydrophilic
A
Substances that dissolve in water
12
Q
Hydrophobic
A
Substances that don’t dissolve in water
13
Q
Non polar moelecules
A
No charges, cannot break H bonds, cannot bond with water
14
Q
Ice floats
A
At 0 degrees, bonds freeze, rigid, move further away, less dense
15
Q
Water has a
A
Very high heat capacity