The plasma membranes of root hair cells contain a variety of protein transport channels through which specific ions are transported,even against large concentration gradients,by

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Quizplus · Accepted Answer

The process described in the question refers to active transport, which involves the use of energy to move molecules against their concentration gradients. Proton pumps are examples of active transport proteins that use ATP to move ions (in this case, protons) against their concentration gradient. Therefore, option D is the best choice. The other options are not relevant to the described process.

The Plasma Membranes of Root Hair Cells Contain a Variety