This is a true or false series of bio questions. in the scientific method, the hypothesis phase is where one or more falsifiable explanations for the observation are developed. t/f the positively charged dna molecules flow to the negatively charged poles in the electrophoresis chamber. t/f a map of restriction enzymes can be generated by cutting dna with different combinations of restriction enzymes. t/f in the scientific method, the observation phase is defining the problem you wish to explain. t/f the purpose of ethidium bromide is to bind to the dna double helix and to glow when exposed to ultraviolet light to tell the scientist where the dna fragments end up. t/f