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Added to this they also help in determining the shape of the cell, movement of the cell, and transportation of the cytoskeleton structures play an very important role in the direction of cell division and differentiation. Many of the components also help in chromosomal movement and cytokinesis.
The two carrier proteins on the left are using ATP to move sodium out of the cell against the concentration gradient. The proteins on the right are using secondary active transport to move potassium into the cell. Active transport is the movement of a substance across a membrane against its concentration gradient. This is usually to accumulate high concentrations of molecules that a cell needs, such as glucose or amino acids.