Chemistry, 18.03.2021 03:30 adrian128383

A certain protein transports a sodium ion from the inside of the cell membrane to the outside using active transport. Which of the following must be true? A. There is no change in concentration before or after transport. B. The transport process did not use chemical energy. C. After transport, the concentration of protein in the cell decreases. D. After transport, the concentration of sodium is lower inside the cell.

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A certain protein transports a sodium ion from the inside of the cell membrane to the outside using...