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Anatomy of Flowering Plants
Xylem Vessel/Tracheid Wall Thickenings
1 question, with its answer.
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In the given figure, which component has thin outer walls and highly thickened inner walls
Component C is the guard cell. Guard cells are bean-shaped; their outer walls (away from the stomatal pore) are thin and elastic, while their inner walls (towards the pore) are highly thickened. This wall structure helps in the opening and closing of the stomatal pore.
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