Bulk flow in the phloem tissue is mostly downward whereas bulk flow in xylem is mostly:
A. sideways
B. also downward
C. very little bulk flow occurs in xylem
D. flow of sugars
E. upward
E. upward
Biology & Microbiology
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What will be an ideal response?
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A student views some cheek cells under low power. Before switching to high power , the student should
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