The Sodium-potassium pump is an example of primary active transport that uses ATP to move solutes against their concentration gradient. The cell also uses another type of active transport called secondary active transport. For example, products of digestion like glucose and amino acids molecules are moved against their gradient concentration from the small intestines’ lumen into the epithelial cells’ cytoplasm before these organic molecules are further taken into the bloodstream.
Write an essay explaining the characteristics and the mechanism of the secondary active transport then compare and contrast it to the primary active transport.
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