When signal molecules reach binding sites, receptors form a dimer (brings two receptors together) ATP donates a phosphate group and turns into ADP. The phosphate group attaches to a tyrosine. Repeats until all tyrosines are filled. The molecule is now phosphorylated.
When signal molecules reach binding sites, receptors form a dimer (brings two receptors together) ATP donates a phosphate group and turns into ADP. The phosphate group attaches to a tyrosine. Repeats until all tyrosines are filled. The molecule is now phosphorylated.
ericaheidihannaCellSignal.docx