Examlex
The short-run supply curve for the perfectly competitive firm is that part of the marginal cost curve that lies above the average fixed cost curve.
Podocytes
Specialized cells in the kidney that wrap around capillaries of the glomerulus, playing a key role in the filtration of blood to form urine.
Renal Tubules
Renal tubules are microscopic tubes in the kidney where filtered blood is further processed into urine by reabsorbing water and nutrients and secreting wastes.
Cotransport
The simultaneous transport of two substances across a cell membrane in the same direction by a single carrier protein.
Active Transport
The movement of molecules across a cell membrane from a region of lower concentration to a region of higher concentration, requiring energy.
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