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A liver cell requires energy to move vitamins from an area of low concentration, across the cell membrane, to an area of high concentration. The process used by the liver cell is called

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2021bgray
A cell is the basic structural and functional unit of living organisms
-The activity of an organism depends on both the individual and the combined activities of its cells
-According to the principle of complementarity of structure and function - the biochemical activities of cells are dictated by their shapes or forms and by the relative number of the subcellular structures they contain
-Cells can only arise from other cells

Answer:

Active transport

Explanation:

The movement of molecules agains the concentration gradient is called active transport. And it requires the cell to use energy because molecules will naturally tend to move in the opposite direction. In active transport the molecules are moved from the side of the membrane where they are less concentrated to where they are more concentrated.

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