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

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

[Q]: Limestone is insoluble in water, so acid can dissolve it.
[A]: Limestone is insoluble in water, so what can dissolve it?

[Q]: Differences between organisms reflect differences between their nucleotide sequences rather than between their genetic codes.
[A]:
Differences between organisms reflect differences between their nucleotide sequences rather than between their what?