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

Example input: Earth rotates on its axis once times in one day.
Example output: How many times does Earth rotate on its axis in one day?
Example explanation: The given output correctly poses a question based on the scientific fact given.
Q: Viruses biological agents that infect living hosts contain dna, yet lack the other parts shared by all cells, including a plasma membrane, cytoplasm, and ribosomes.
A:
What biological agents that infect living hosts contain dna, yet lack the other parts shared by all cells, including a plasma membrane, cytoplasm, and ribosomes?