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

Ex Input:
Instead of heat, organisms use catalysis to speed up reactions.

Ex Output:
Instead of heat, organisms use what to speed up reactions?


Ex Input:
Proteins are long chains of amino acids.

Ex Output:
What are long chains of amino acids?


Ex Input:
Activation energy is the energy needed to start a reaction between catalysts and reactants called.

Ex Output:

What is the energy needed to start a reaction between catalysts and reactants called?