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Define ‘monomer’
smaller units from which larger molecules are made.
Name some examples of monomers.
monosaccharides (glucose, fructose, galactose)
amino acids
nucleotides
Define ‘polymer’
molecules composed of smaller repeating units (monomers), joined together by covalent bonds.
Name some examples of polymers.
polysaccharides (starch, cellulose, glycogen)
proteins
DNA / RNA
What happens in a condensation reaction?
A chemical bond forms between 2 molecules and a molecule of water is produced.
What happens in a hydrolysis reaction?
A water molecule is used to break a chemical bond between 2 molecules.