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Cell biology
The study of cell structure, physiological properties, interactions with the environment and life cycle.
Industry: Biology
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Cell biology
Vitamins
Biology; Cell biology
A diverse group of organic molecules that are required for metabolic reactions and generally cannot be synthesised in the body.
White blood cell
Biology; Cell biology
Component of the blood that functions in the immune system. Also known as a leukocyte.
Viroids
Biology; Cell biology
Infective forms of nucleic acid without a protective coat of protein; unencapsulated single-stranded RNA molecules. Naked RNA, possibly of degenerated virus, that infects plants.
Virus
Biology; Cell biology
Infectious chemical agent composed of a nucleic acid (DNA or RNA) inside a protein coat.
Vestigial structures
Biology; Cell biology
Nonfunctional remains of organs that were functional in ancestral species and may still be functional in related species; e.g., the dewclaws of dogs.
Villi
Biology; Cell biology
Finger-like projections of the lining of the small intestine that increase the surface area available for absorption. Also, projections of the chorion that extend into cavities Þlled with maternal ...