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Biochemistry chapter 11

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Pregunta:

What's the difference between primary and secondary active transport ?

Autor: Shay 1vcc



Respuesta:

-In primary active transport, the energy released by ATP hydrolysis drives solute (S1) movement against an electrochemical gradient. - In secondary active transport, a gradient of ion X (S1) (often Na+) has been established by primary active transport. Movement of X (S1) down its electrochemical gradient now provides the energy to drive cotransport of a second solute (S2) against its electrochemical gradient.


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-In primary active transport, the energy released by ATP hydrolysis drives solute (S1) movement against an electrochemical gradient. 

- In secondary active transport, a gradient of ion X (S1) (often Na+) has been established by primary active transport. Movement of X (S1) down its electrochemical gradient now provides the energy to drive cotransport of a second solute (S2) against its electrochemical gradient.
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