Before revision:  These macromolecules, nowadays investigated with advanced experimental techniques to unveil their molecular mechanisms and the properties of their kinetic cycles, are implicated in many biological processes, ranging from biopolymerisation ( RNA polymerases, ribosomes,... ) to intracellular transport (motor proteins such as kinesins or dyneins).
After revision:  These macromolecules, nowadays investigated with advanced experimental techniques to unveil their molecular mechanisms and the properties of their kinetic cycles, are implicated in many biological processes, ranging from biopolymerisation ( e.g. RNA polymerases and ribosomes ) to intracellular transport (motor proteins such as kinesins or dyneins).