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

Input: Consider Input: Bile acids, needed to emulsify lipids, are stored in the body in the gallbladder.

Output: Where are bile acids, needed to emulsify lipids, stored in the body?

Input: Consider Input: A visual "copy" of an object that is formed by reflected or refracted light is called image.

Output: A visual "copy" of an object that is formed by reflected or refracted light is called what?

Input: Consider Input: Gravitropism ensures that roots grow into the soil and that shoots grow toward sunlight.
Output: Gravitropism ensures that roots grow into the soil and that shoots grow toward what?