Examlex
The reaction of 2,2-dimethylbutane with chlorine would yield how many monochloro derivatives? (include stereoisomers)
Periderm
The outer bark of woody stems and roots; composed of cork cells, cork cambium, and cork parenchyma, along with traces of primary tissues.
Mature Vessel Elements
Components of the xylem in plants that form part of a continuous tube through which water can move.
Sieve Tubes
Specialized structures in the phloem of vascular plants that facilitate the transport of sugars and other nutrients.
Companion Cells
Specialized cells in the phloem of plants that manage the functioning and maintenance of the nutrient-conducting sieve-tube elements.
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