Examlex
Deciding that A causes B when in fact B causes A is a mistake called omitted variable bias.
Semipermeable
Describes a barrier or membrane that allows certain substances to pass through it while blocking others.
Cell Wall
A rigid layer outside the plasma membrane of the cells of plants, fungi, and some bacteria, providing structural support and protection.
Plasma Membrane
The lipid bilayer that surrounds a cell, controlling the movement of substances in and out of the cell.
Cytoplasm
The gel-like substance inside the cell membrane excluding the nucleus, containing organelles and is the site of most cellular activities.
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