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

[EX Q]: In their processes of gene expression, archael cells seukaryotic similarties to both bacterial cells and which other type of cell.
[EX A]: In their processes of gene expression, archael cells show similarties to both bacterial cells and which other type of cell?

[EX Q]: Mesoderm type of cell layer do flatworms have.
[EX A]: What type of cell layer do flatworms have?

[EX Q]: Carbon atoms have six protons and electrons each.
[EX A]:
How many protons and electrons each do carbon atoms have?