You take a summer vacation by the ocean in p. e.i. you love the ocean plants you see and decide to bring some home for your fish tank. after a week or two, you notice your plants are not thriving in your freshwater tank. explain a reason for this

Why do some dna fragments move farther than others during gel electrophoresis? a. because their shapes are different b. because they are different types of molecules c. because the samples are different colors d. because their masses are different