Examlex
List the four major types of macromolecules,their subunits (building blocks),and their functions.
Ganglia
Clusters of nerve cell bodies, often acting as relay points, located outside the central nervous system.
Cell Membrane
A biological membrane that separates the interior of all cells from the outside environment, controlling the movement of substances in and out of cells.
Cell Body
The part of a neuron containing the nucleus, responsible for maintaining the life of the cell.
Neuron
A cell specialized in the transmission of nerve impulses, commonly called a nerve cell.
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