General Biology
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Which of the following processes involves the movement of two substances in opposite directions across the cell membrane?
The sodium-potassium pump (Na⁺/K⁺ pump) is an example of active transport. What ions are actively transported by this pump?
The sodium-potassium pump is an example of which type of transporter?
Which of the following is a characteristic of passive transport but not active transport?
Which one of the following is not an example of passive transport: