Cytosol vs. Cytoplasm

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By aaron

There is a common point of confusion between the terms “cytoplasm” and “cytosol”. Often, the terms are used interchangeably, but there is technically a difference.

In a cell, the cytoplasm is pretty much everything encapsulated by the cell membrane, including other cell components, organelles, proteins, and so on.

The cytosol is the fluid that all of this stuff is floating around it. It is mostly water, but also contains ions, molecules, and various other things needed by the cell.

In prokaryotic cells, all of the cell components are in the cytoplasm. But in eukaryotic cells, the contents of the nucleus are considered to be separate from the cytoplasm, because the nucleus has it's own internal fluid called nucleoplasm. #cell biology #biology #science #cells

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