6. INTERRACCIONES PARACRINAS, FACTORES DIFUSIBLES EN EL MEDIO,
GENERALMENTE INTERACCION EPITELIO MESENQUIMA. INVOLUCRA LOS
GDF, GROWTH AND DIFFERENTIATIONS FACTORS
7.
8.
9.
10. (1) a DNA-binding domain (DBD)
(2) signal-sensing domain (SSD),
and a transactivation domain (TAD).