cell-growth-and-division-are-under-tight-regulation-in-order-to-result-in-normal

Question

How does the signaling molecule outside the cell trigger the phosphorylation cascade inside the cell?

Accepted Answer

It binds to the receptor, causing it to change conformation.

Answer

It enters the cell through a protein channel.

Answer

It releases signals that trigger phosphorylation.

Answer

It changes its form to be permeable to the plasma membrane.