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How do substances get in and out of a cell? Today, Momo will introduce you to the concepts of active transport. You will find out which substances can move through gaps in a cell membrane without requiring any effort from the cell. See examples of transport through a process called diffusion and find out how cells can use their own energy and special proteins to move substances across their membrane. Also, discover the main source of cell energy and why your white blood cells are good. Momo will sell you on how cells work!
