Examlex
The Balmer Beta absorption line is a result of a transition of an electron in a hydrogen atom from:
Guard Cells
Specialized cells in the epidermis of leaves, stems, and other organs that regulate gas exchange and water loss by controlling the size of stoma openings.
Vascular Bundle
Multistranded bundle of xylem, phloem, and sclerenchyma fibers running through a stem or leaf.
Endodermal
Relating to the innermost layer of the three primary germ layers in the embryo, giving rise to the gastrointestinal tract, liver, and lungs.
Mesophyll
Photosynthetic parenchyma of plants.
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