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

Example Input: Deletions remove one or more nucleotides from the dna
Example Output: Deletions remove one or more what from the dna?

Example Input: Energy do ecosystems absorb on the earth.
Example Output: What do ecosystems absorb on the earth?

Example Input: Complement proteins proteins bind to the surfaces of microorganisms and are particularly attracted to pathogens that are already tagged by the adaptive immune system.
Example Output:
Which proteins bind to the surfaces of microorganisms and are particularly attracted to pathogens that are already tagged by the adaptive immune system?