The following factors may sometimes play a role in the movement of sap through xylem. Which one depends on the direct expenditure of ATP by the plant?

Question

Quizplus · Accepted Answer

Direct expenditure of ATP by the plant is involved in active transport of ions in the symplast, which can affect the movement of sap through xylem. The other options - capillarity, cohesion, evaporation, and bulk flow - do not directly require ATP expenditure by the plant.

The Following Factors May Sometimes Play a Role in the Movement