PLS HELP MY TEACHER GONNA BE SO MAD IF I FAIL THIS

The nursing instructor has been observing nursing students initiate an iv infusion. which action(s), if made by the nursing student, indicates that further instruction is needed? (select all that apply.) the nursing student:

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

Bio molecules are essential to all living things. which biomolecule is “d” from the table