TASK DEFINITION: Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
PROBLEM: Mercury is not a solid even at room temperature.

SOLUTION: Which metal is not a solid even at room temperature?

PROBLEM: Atp or adenozine triphosphate is used for most energy functions in organisms.

SOLUTION: What molecule is used for most energy functions in organisms?

PROBLEM: Receptors for hormones recognize molecules with specific shapes and side groups, and respond only to those that are recognized.

SOLUTION:
Receptors for what chemical messengers recognize molecules with specific shapes and side groups, and respond only to those that are recognized?