Adna sample is electrophoresed on an agarose gel and stained with ethidium bromide. several dna fragments are observed and are estimated to be 2500bp, 1500bp, 750bp, 550bp, and 225bp in length. which dna fragment will be closest to the top of the gel? 550bp 1500bp 225bp 2500bp

Which of the following initial observations would more directly lead to this research study? a) ginko biloba is cost effective and also possesses heart-protective, antioxidant, anti-inflammatory properties. b) metformin is an effective treatment of patients with t2d, but shows side effects that complicate the disease state. c) over the past several years, the cost of treating t2d within the united states has increased dramatically. d) many plants contain molecules that improve the health and quality of life of patients with a variety of diseases like t2d. e) t2d affects millions of individuals in the usa and worldwide many of who could benefit from improved therapies.