Topic 2 : Biological molecules : key words Flashcards
Monomer
A single repeating unit of a polymer
Polymer
A large structure composed of single repeating units (monomers).
Hydrolysis
A reaction which results in the breakdown of two or more molecules with the addition of water.
Condensation
A reaction in which results in the Joining of two or more molecules with the elimination of water.
Triglyceride
A lipid which is composed of a Glycerol molecule and 3 fatty acids.
Saturated
Fatty Acid with no carbon-carbon double bonds
Unsaturated
Fatty Acid with carbon-carbon double bonds.
Phospholipid
A lipid which consists of a glycerol molecule, 2 fatty acids and a phosphate group.
Hydrophobic
Not attracted to water (usually non- polar)
Hydrophilic
Attracted to water ( usually polar)