The net direction that an ion or molecule moves is
A)dependent upon the size of the molecule.
B)unpredictable because movement is random.
C)influenced by the temperature of the medium.
D)influenced by the membranes in the vicinity.
E)the result of concentration differences.

Question

Quizplus · Accepted Answer

The net direction of ion or molecule movement is due to concentration differences, which result in a gradient that drives the ion or molecule from an area of high concentration to an area of low concentration. This process is known as diffusion.

The Net Direction That an Ion or Molecule Moves Is