Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
--------
Question: There are three quarks in each proton and neutron.

Answer: How many quarks are in each proton and neutron?


Question: Once a plant cell becomes specialized, divide can they no longer do.

Answer: Once a plant cell becomes specialized, what can they no longer do?


Question: Water molds mostly live in water or moist soil.

Answer:
Water molds mostly live in water or moist?