The answer to your question is the nucleolus. This is because the nucleolus acts like the brain of the cell. :)
It wants to give up an electron so that i has eight outer electrons left from the previous shell
Answer:
Gel Electrophoresis.
I took the Khan academy test :)
The answer is A, because the phytoplankton is the foundation of this food web. Without your foundation, "the building will begin to crumble".