Answer:
It is a hormone that increases appetite
The phase contrast microscope uses out-of-phase and in-phase light rays that produce contrast areas allowing scientists to detect even a minute number of protein molecules and focus on the minute internal structures of a particle.
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Answer:
Eating when your blood sugar is low.
Explanation:
A negative feedback loop is a loop that destresses or neutralizes a loop. If your blood sugar dropped and you are food that would counter act your drop in blood sugar returning it to a neutral level.
