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Compared to xylem, which primarily relies on passive physical forces, phloem transport is best described as:

Question
Compared to xylem, which primarily relies on passive physical forces, phloem transport is best described as:
A completely passive process
An energy-requiring, ATP-driven active process
Dependent only on gravity
Identical in mechanism to xylem
Answer
An energy-requiring, ATP-driven active process
Detailed Explanation
Phloem translocation actively uses ATP energy to move sucrose into the tissue, unlike the more passive movement of water in xylem.
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