Final answer:
In fungi, plants, and bacteria, the H+-ATPase pump is responsible for the active transport of protons out of the cell, creating a gradient used for the import of solutes. This is different from the sodium-potassium pump in animal cells.
Step-by-step explanation:
In fungi, plants, and bacteria, the pump that helps to drive the import of solutes is the H+-ATPase pump. This pump is crucial for maintaining the pH and electrochemical gradients across the cell membrane. The H+-ATPase actively transports protons (H+ ions) out of the cell, which helps to establish a proton gradient. The energy stored in this gradient is then utilized to drive the import of various solutes into the cell through secondary active transport mechanisms, such as symporters and antiporters.
While in animal cells, the sodium-potassium pump (Na+-K+ ATPase) plays a similar role by using ATP to move sodium and potassium ions against their gradients, this is not the main active transport pump in fungi, plants, and bacteria. Instead, these organisms primarily rely on the H+-ATPase pump and other similar active transport mechanisms.