Why is `Na^(+) -K^(+)` exchange pump called an electrogenic pump?

Explanation

To understand why the sodium-potassium (Na⁺-K⁺) exchange pump is called an electrogenic pump, we can break down the explanation into clear steps:

### Step-by-Step Solution:

1. **Definition of the Sodium-Potassium Pump**:
The sodium-potassium pump is a membrane protein that actively transports sodium (Na⁺) out of the cell and potassium (K⁺) into the cell against their concentration gradients.

2. **Ion Movement**:
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