Sap travels in phloem as a result of _________. A. Evaporation of sugar water from the leaves;
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Sap travels in phloem as a result of _________.
A. Evaporation of sugar water from the leaves;
B. The phloem pump;
C. A countercurrent to xylem flow;
D. Differences in water pressure in a phloem tube between a sugar source and a sugar sink;
E. Cohesion and adhesion of water to the phloem walls
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Related Book For
Biology Science For Life With Physiology
ISBN: 9780134555430
6th Edition
Authors: Colleen Belk, Virginia Maier
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