In the signal transduction mechanism known as protein phosphorylation
A. the signaling molecule binds to a surface receptor
B. receptor kinases play a key role in triggering the signal cascade
C. phosphorylated proteins act with enzymes to trigger the signal cascade
D. All of the above
Answer:D
In the signal transduction mechanism known as protein phosphorylation
A. the signaling molecule binds to a surface receptor B. receptor kinases play a key role in triggering the signal cascade C. phosphorylated proteins act with enzymes to trigger the signal cascade D. All of the above