In the signal transduction mechanism known as protein phosphorylation

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Question:
  
In the signal transduction mechanism known as protein phosphorylation

1.the signaling molecule binds to a surface receptor

2.receptor kinases play a key role in triggering the signal cascade

3.phosphorylated proteins act with enzymes to trigger the signal cascade

4.All of the above

Posted Date:-2021-03-07 12:04:17

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