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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16-12-2017
Biology

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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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jamiexx jamiexx · Answer 1 · 2017-12-16T17:07:46+01:00

The process is called active transport.

Active transport is where materials will move from a region of lower concentration to the region of higher concentration, against the concentration gradient. Meanwhile, diffusion or osmosis is down the concentration gradient.

This process requires extra energy. Unlike diffusion or osmosis, they're achieved by natural tendency. Active transport also requires a carrier protein to bring the substances against the concentration gradient.

Therefore active transport is the answer.

Tutor18222413 Tutor18222413 · Answer 2 · 2019-09-11T08:09:35+02:00

Answer:

Active transport

Explanation:

Active transport is the process of moving molecules from an area of low concentration, to an area of high concentration, against the concentration gradient.

This process usually occurs in areas where nutrients need to be taken up, for example in plant root cells, where there is already a high concentration of minerals in the cells, but the root cells manage to accumulate even more from the soil, through this process.

Active transport is an energy demanding process, and requires the energy from ATP, which allows a protein pump to pump the molecules from the area of low concentration to the area of high concentration.