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

Example Input: A electron microscope is used to see extremely small objects.
Example Output: What type of microscope is used to see extremely small objects?

Example Input: The core of a star collapses during a supernova, forming a neutron star.
Example Output: The core of a star collapses during what event, forming a neutron star?

Example Input: Cholesterol type of molecules help the plasma membrane keep its shape.
Example Output:
What type of molecules help the plasma membrane keep its shape?