why is the answer K+/cl- symporter? Chloride ion (Cl-) concentrations are approx

Question

why is the answer K+/cl- symporter?

Chloride ion (Cl-) concentrations are approximately 10x higher outside of cells than inside. Imagine you discovered a new protein that was required in liver cells for transporting Cl- out of the cell, and further found that this protein was only active when the Na+/K+ ATPase was active. Which of the following might you reasonably conclude about the Cl- transporter?

It could be a Na+/Cl- symporter.

It could be a K+/Cl- symporter.

It could be glucose/Cl- antiporter.

All of the above

Explanation / Answer

A cell requires allof the transporters as, besides ATP-powered pumps, cells have a second, discrete class of proteins that import take in or export send out ions and small molecules, such as glucose, cl, k, na etc and amino acids, against a concentration gradient.

These proteins use the energy stored in the electrochemical gradient of Na+ or H+ ions to power the uphill movement of another substance, a process called cotransport. For instance, the energetically favored movement of a Na+ ion (the

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