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

[EX Q]: Water can be boiled to kill giardia and most other pathogens.
[EX A]: Water can be boiled to kill giardia and most other what?

[EX Q]: In prokaryotes, a(n) genome is composed of a single, double-stranded dna molecule in the form of a loop or circle.
[EX A]: In prokaryotes, what is composed of a single, double-stranded dna molecule in the form of a loop or circle?

[EX Q]: Phosphate groups are found within phospholipids and nucleotides.
[EX A]:
Phosphate groups are found within phospholipids and what else?