MCQOPTIONS
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| 1. |
In the signal transduction mechanism known as protein phosphorylation |
| A. | receptor kinases play a key role in triggering the signal cascade |
| B. | the signaling molecule binds to a surface receptor |
| C. | All of the above |
| D. | phosphorylated proteins act with enzymes to trigger the signal cascade |
| Answer» D. phosphorylated proteins act with enzymes to trigger the signal cascade | |