Question

What is a bundle sheath or border parenchyma in a leaf?

Answer 1

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Bundle-sheath cells are photosynthetic cells arranged into tightly packed sheaths around the veins of a leaf. They form a protective covering on leaf veins, and consist of one or more cell layers, usually parenchyma. Loosely arranged mesophyllcells lie between the bundle sheath and the leafsurface.

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Answer 2

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⎇ They form a protective covering on leaf veins, and consist of one or more cell layers, usually parenchyma. Loosely arranged mesophyllcells lie between the bundle sheath and the leafsurface.