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

Example Input: The mitochondria organelles are known as the "power plants" of the cell.
Example Output: What organelles are known as the "power plants" of the cell?

Example Input: Catalyst gets poisoned happens if a molecule forms strong bonds to the catalyst.
Example Output: What happens if a molecule forms strong bonds to the catalyst?

Example Input: The largest known proteins are titins.
Example Output:
What are the largest known proteins?