Examlex
Which of the following compounds is formed when an amide reacts with an amine?
Companion Cells
Companion cells are specialized cells in the phloem of plants that assist in the transport of sugars and other nutrients.
Annual Growth Rings
Concentric rings found in the wood, indicating the age of a tree by representing a year of growth.
Woody Stems
Hard, lignified plant structures that provide support and transport nutrients and water, characteristic of trees and shrubs.
Vascular Cambium
A layer of plant tissue located between the xylem and phloem; it contributes to the growth in stem and root diameter.
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