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

Ex Input:
In prokaryotes, a(n) genome is composed of a single, double-stranded dna molecule in the form of a loop or circle.

Ex Output:
In prokaryotes, what is composed of a single, double-stranded dna molecule in the form of a loop or circle?


Ex Input:
Constant random motion trait of particles causes even cold objects to have some thermal energy.

Ex Output:
Which trait of particles causes even cold objects to have some thermal energy?


Ex Input:
Reticular formation is the name of the formation that regulates sleep and arousal.

Ex Output:

What is the name of the formation that regulates sleep and arousal?