Examlex
How does the mass of the products of a nuclear fusion reaction compare to the mass of the original elements?
Perforation Plates
Structures found in the water-conducting vessels of some plants, containing large pores that allow water to flow from one vessel element to another.
Sieve Plates
Specialized structures found in the phloem of plants that facilitate the flow of nutrients by containing pores through which sap can flow between cells.
Vascular Cylinder
Of a plant root, central column that consists of vascular tissue, pericycle, and supporting cells.
Endodermal Cells
Cells originating from the innermost layer of the embryo, which give rise to the lining of the digestive and respiratory systems.
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