evabean1 evabean1
  • 24-01-2019
  • Biology
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In a leaf, what is the outer layer of the vein composed of?

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hwhite41
hwhite41 hwhite41
  • 05-02-2019

The outer layer of the vein is made of cells called bundle sheath cells (E), and they create a circle around the xylem and the phloem.


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