In cells of the dorsal neural tube, BMP4 has just bound its Type II receptor. What is the first direct effect of this process?

Question

In cells of the dorsal neural tube, BMP4 has just bound its Type II receptor. What is the first  direct  effect of this process?

Answer

Phosphorylation of Smad5

Answer

Activation of Type I receptor tyrosine kinase

Answer

Phosphorylation of serine and threonine resides

Answer

Dimerisation with type I receptor

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