Mechanisms for moving substances across the plasma membrane that require the use of cellular ATP include:
- Sodium-potassium pump.
- Calcium ions moving from cardiac muscle cells.
- Glucose moving in or out of a cell.
What is active transport?
Active transport is a form of transport movement of substances across a barrier such as the plamsa membrane against their concentration gradient, using energy in the form if ATP.
Some examples of active transport in the body include:
- Sodium-potassium pump
- Amino acids moving along the human intestinal tract.
- Calcium ions moving from cardiac muscle cells.
- Glucose moving in or out of a cell.
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