Explain the relationship between three aspects of science: hypothesis, research/experimentation, and theory

The relations of the three which are the hypothesis, research and theory is that in trying to distinguish or try to know or discover something, hypothesis usually comes in, it will be the one responsible in having intelligent guesses of how such thing could occur or how would it start, in order for it to be detemined if whether the guesses were true, it is best to research or formulate experiments in which it will have evidences or outcomes to show if the guesses that has been concluded were true. Theory could only be concluded based on independent principles without having the real evidences but has an explanation to it.

The answer is nucleic acid 

Answer a bell shaped curve;