Examlex
What are the differences between federal, unitary, and confederal systems? Make sure to give a definition and an example of each system. What are some advantages and disadvantages to each system? In weighing the advantages and disadvantages, which system seems to work best and which one seems to work worst? Explain.
Sodium-Potassium Pump
A vital cell membrane protein that pumps sodium ions out of and potassium ions into cells, essential for maintaining cellular electrochemical gradients.
ATP
Adenosine triphosphate, a molecule that carries energy within cells, serving as a primary energy currency for cellular processes.
Exocytosis
A process by which a cell transports secretory products through the cytoplasm to the plasma membrane and then into the extracellular space.
Endocytosis
The active transport of substances into the cell by the formation of invaginated regions of the plasma membrane that pinch off and become cytoplasmic vesicles.
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