Which sequence of events correctly describes the autophosphorylation process in receptor tyrosine kinases?

• A. Dimerization, ligand binding, conformational change, ATP phosphorylation.
• B. ATP binding, ligand synthesis, dimerization, phosphorylation.
• C. Ligand binding, ATP synthesis, dimerization, phosphorylation.
• D. Conformational change, dimerization, ligand binding, ATP hydrolysis.

Answer: (A)