Directed(Vectorial) Molecular Movement Polymerization Living polymerization of actin/microtubules Springs Conformational changes of molecules Motor proteins nucleotide(atP)hydrolysis: chemical energy-> work Pumps Hydrolysis of ATP Create concentration gradientsDirected (Vectorial) Molecular Movement Polymerization: Living polymerization of actin/microtubules Springs: Conformational changes of molecules Motor Proteins: nucleotide (ATP) hydrolysis: chemical energy -> work Pumps: Hydrolysis of ATP Create concentration gradients 2