During electrophoresis, the pieces of DNA show up in the gel as bands located at various distances from the well in which the DNA was initially placed. Why do some ONA fragments move different distances from the well?

What the theory that the sun goes around earth was replaced with the theory that earth goes around the sun this was an exaple of a

Sea stars, sea urchins, sand dollars, and brittle stars are all memeber of a group, what is the common name of the group they are all in

Many plants can reproduce asexually. which of these is an example of asexual reproduction in a plant? a. pine cones forming on a tree b. cross-pollination in a tomato c. roots sprouting from a potato d. night-blooming jasmine flowers