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

Ex Input:
Single-celled eukaryotes that share some traits with animals are also called?

Ex Output:
Single-celled eukaryotes that share some traits with animals are also called?

Ex Input:
Biodiversity is the term for the measurement of the amount of variation of species in a given area.

Ex Output:
What is the term for the measurement of the amount of variation of species in a given area?

Ex Input:
They are not transcribed happens to structural genes in the presence of tryptophan.

Ex Output:
What happens to structural genes in the presence of tryptophan?