Why are digestive enzymes in cell enclosed in a membrane-bound organelle

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

Label all the places where dna is located in the plant cell and in the animal cell. dna

Communication and transportation have improved as a result of scientific advancements. select the best answer from the choices provided of mark this and return save and exit next