Companion cells are unique to_____?

Human Physiology: From Cells to Systems (MindTap Course List)
9th Edition
ISBN:9781285866932
Author:Lauralee Sherwood
Publisher:Lauralee Sherwood
Chapter12: Body Defenses
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Companion cells are unique to_____?

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The phloem is a plant tissue involved in organic substances transport in parts of the plant. The supporting cell, conducting cell, and parenchyma cells are the cells of the phloem. The sieve tube is the conducting cell in the phloem and is involved in sugar transport in all parts of the plant. Companion cells are a type of parenchyma cell.

 

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