Examlex
One source of titanium is pyrophanite,MnTiO3.The oxidation states of manganese and titanium in pyrophanite are ________ and ________,respectively.
Vascular Cambium
Vascular cambium is a layer of tissue in plants that produces new phloem and xylem cells, contributing to stem and root thickness.
Xylem Arms
Specialized structures in plants that transport water and nutrients from the roots to other parts of the plant; although "arms" is not a standard term in botany, it metaphorically suggests the branching nature of xylem vessels.
Pericycle
A layer of cells found in plant roots, between the endodermis and the phloem, capable of initiating lateral root growth.
Root Hairs
Thin, hair-like extensions from root cells that increase surface area for water and nutrient absorption from the soil.
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