Aliver 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

The process used by the liver cell is called active transport

Active transport is the process by which substances move across a cell membrane from an area of low concentration to an area of high concentration. In active transport, molecules move against the concentration gradient and the process need cellular energy to perform the movement.

it would lead to upper respiratory infections and pneumonia.

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human impact on the environment can be seen in the deterioration of the !

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