What keeps molecules concentrated, limiting disorder? ?

Cell membrane

Explanation:

The cell membrane is a thin lipoprotein film formed by phospholipids and proteins, whose thickness varies between 7.5 to 10 nanometers, delimiting the cytoplasm of all types of cells (bacteria, algae, fungi, protozoa, animals and vegetables), receiving various designations: plasmalema, plasma membrane or cytoplasmic membrane.

Within the eukaryotic cells the cytoplasm has organelles and channels made up of membranes similar to those surrounding the cell, being responsible for the selection of everything that enters and leaves the cell.

In this case, we can say that the plasma membrane is responsible for keeping the molecules concentrated, limiting any disturbance.

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