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15 Cards in this Set
- Front
- Back
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Active Transport |
the movement of molecules across a cell membrane using ATP |
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Diffusion |
The net passive movement of particles (atoms, ions or molecules) |
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Endocytosis |
form of active transport in which a cell transports molecules (such as proteins) into the cell |
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exocytosis |
moves things out of the cell |
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facilitated diffusion |
the process of spontaneous passive transport (as opposed to active transport) of molecules or ions |
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osmosis |
a process by which molecules of a solvent tend to pass through a semipermeable membrane |
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Passive transport |
movement of biochemicals and other atomic or molecular substances across cell membranes without need of energy input. |
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sodium-potassium pump |
A pump that pumps sodium out of the cell and pumps potassium in |
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transport protein |
a protein that serves the function of moving other materials within an organism. |
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vesicle transport |
transport process in which transported substances are moved in membrane-boundedvesicles |
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Hypertonic |
a solution that occurs in the body |
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Hypotonic |
tal molar concentration of all dissolved solute particles is less than that of another solution or less than that of a cell. |
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Isotonic |
type of muscle contraction. Isotonic regression, a type of numerical analysis. Isotonic, one of three types of tonicity that characterize a solution's concentration |
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Concentration Gradient |
moving through a solution or gas from an area of higher number of particles to an area of lower number of particles. |
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Equilibrium |
a state in which opposing forces or influences are balanced. |
