Examlex
The first transition series metals are shown below.
-Which has the greatest density?
Signaling
The process by which cells communicate with each other through molecules to perform various functions.
Differentiation
The process by which cells or tissues undergo a change toward a more specific form or function, often in the context of development.
Bone Marrow
A soft tissue inside bones where blood cells are produced, including red blood cells, white blood cells, and platelets.
Stem Cells
Undifferentiated cells capable of giving rise to indefinitely more cells of the same type, and from which certain other kinds of cells arise by differentiation.
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