November 29, 2015

Homework Help: biology urgent

Posted by alex on Tuesday, May 21, 2013 at 8:55am.

Glucose is transported into a cell through a process of co-transport, where it is moved against its concentration gradient through a membrane channel. Moving any molecule against its concentration gradient requires energy, but these glucose channels do not require ATP or any other direct energy input.
Explain how sodium/potassium pumps act to establish an electrochemical gradient of sodium and potassium ions, and how this provides the energy for this co-transport of glucose to occur

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