Examlex
Name the third stage of Piaget's developmental stages.
Plasma Membrane
The biological membrane that separates the interior of all cells from the outside environment, protecting the cell and controlling movement of substances in and out.
Hydrophobic Region
A part of a molecule that is repelled by water and tends to be nonpolar.
Phospholipids
A class of lipids that are a major component of all cell membranes, essential for cellular function.
Polar (Hydrophilic) Region
A part of a molecule that has a tendency to interact with water through hydrogen bonding or electrostatic interaction, making it soluble in water.
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