The transpiration pull is due to the ________ that causes water to move up through the xylem that begins at the surface of mesophyll cells.

Question

Quizplus · Accepted Answer

The negative pressure potential created by transpiration from the leaves is what causes water to move up through the xylem. This pull is what allows water to move against gravity and distribute throughout the plant. Positive pressure potential would push water out of the xylem, and solute and solvent potential are factors that contribute to overall water potential but are not specifically associated with the transpiration pull.

The Transpiration Pull Is Due to the ________ That Causes