Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
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Question: Bile acids, needed to emulsify lipids, are stored in the body in the gallbladder.

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


Question: Does water get colder or warmer the deeper you go?

Answer: Does water get colder or warmer the deeper you go?


Question: Red light is the most effective color in interrupting the nighttime portion of the photoperiod.

Answer:
What is the most effective color in interrupting the nighttime portion of the photoperiod?