Examlex
Which gender shows the coccyx pointed inferiorly?
Active Transport
Transport of molecules across the membrane of a cell from areas where they are less concentrated to areas where they are more concentrated, which demands energy.
ATP
Adenosine triphosphate, a molecule that stores and transfers energy within cells, facilitating various biochemical processes.
Concentration Gradient
A difference in the concentration of a substance across a distance, which drives the passive movement of particles from an area of high to low concentration.
Exocytosis
A process by which cells release substances to the external environment by vesicles fusing with the plasma membrane.
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