<prompt> Enzymes catalysing the synthetic reactions where two molecules are joined together and ATP is used; belongs to which class?HydrolaseLyaseLigaseTransferase  <response>: Oxidoreductases: Enzymes involved in oxidation-reduction reactions.Transferases: Enzymes that catalyse the transfer of functional groups.Hydrolases: Enzymes that bring about hydrolysis of various compounds.Lyases: Enzymes specialized in the addition or removal of water, ammonia, CO2 etc.Isomerases: Enzymes involved in all the isomerization reactions.Ligases: Enzymes catalysing the synthetic reactions Greek: ligate-to bind where two molecules are joined together and ATP is used.Reference - satyanarayana Pg-87 