The control center would be the nucleus.
& I believe Messenger RNA attaches to a ribosome during protein synthesis.
Answer:
d is the answer to this question
-Water evaporates and condenses into clouds, then the clouds are blown over the ocean, and it rains.
-Water from a mountain flows down and into a river. The river empties into an ocean.
There are called Amino Acids.
They are both used to benefits plants growth process.
