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Slide 2

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08/15/20
Various pictures of xylem 14
Xylem cells are long tubes
that carry water up the
plant. Their walls are
strengthened with rings
of lignin. The movement
of water does not require
energy.…read more

Slide 3

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08/15/20
Various pictures of Phloem 14
Phloem cells are also
long tubes that carry
the sugars around the
plant. They use energy
to move substances.…read more

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