What organs are in the lower back on the left side?

The energy available as a result of the motion of a body is called energy. -potential -gravitational -kinetic -chemical

The carrier molecules of the electron transport system are located in the

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