Revision notes

Specification 4 points

• I can state that a monomer is a smaller unit from which larger molecules are made, and give monosaccharides, amino acids and nucleotides as examples.
• I can state that a polymer is a molecule made from a large number of monomers joined together.
• I can define a condensation reaction: it joins two molecules, forms a chemical bond, and eliminates a molecule of water.
• I can define a hydrolysis reaction: it breaks a chemical bond between two molecules using a molecule of water.