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Active and passive transport mechanisms
ACTIVE:
In active processes the cell provides metabolic energy (ATP) needed to move substances across the membrane. The relative energy source for all active transport mechanism is ATP. In primary active transport they substances, such as Na+ & Ca2, against a concentration gradient; across the plasma membrane by a solute pump. In secondary active transport of polar or charged solutes, such as amino acids, across the membrane. Antiporters move transported substances in opposite directions across the membrane.
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FlowVella, Previously Known As Flowboard
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