If a water molecule in a plant did "circulate" (that is, go from one point in a plant to another and back in the same day), it would require the activity of which of the following?

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Quizplus · Accepted Answer

Water movement within plants involves both the xylem and the phloem. The xylem primarily transports water and dissolved minerals absorbed from the soil up to the rest of the plant, while the phloem distributes sugars and other organic nutrients made in the leaves to other parts of the plant. For water to circulate (move to one point and then back), it would involve the movement up through the xylem and then redistribution, possibly involving movement through the phloem, especially if considering the movement of water incorporated into products of photosynthesis.

If a Water Molecule in a Plant Did "Circulate" (That