Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

[EX Q]: Tight junction is the term for a watertight seal between two adjacent animal cells.
[EX A]: What is the term for a watertight seal between two adjacent animal cells?

[EX Q]: The mitochondria organelles are known as the "power plants" of the cell.
[EX A]: What organelles are known as the "power plants" of the cell?

[EX Q]: You call the separation of ions that occurs when a solid ionic compound dissolves dissociation.
[EX A]:
What do you call the separation of ions that occurs when a solid ionic compound dissolves?