E MULTIPLE CHOICE QUESTION Which organelle controls the movement of materials into and out of the cell? Vacuoles Ribosomes Cell membrane Mitochondria

## Step 1The question asks us to identify the organelle that controls the movement of materials into and out of the cell. The options provided are Vacuoles, Ribosomes, Cell membrane, and Mitochondria.## Step 2The cell membrane, also known as the plasma membrane, is the organelle that controls the movement of materials into and out of the cell. It acts as a barrier between the cell and its external environment, and it regulates the movement of substances in and out of the cell.## Step 3The cell membrane uses a process called diffusion to allow certain molecules to pass through while blocking others. This selective permeability ensures that essential nutrients enter the cell while harmful substances are kept out.