General science

General science

A variety of science subjects concerning the fundamental knowledge about different aspects of our world and their underlying principles.

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General science

grassland ecosystem

Science; General science

A Biological community that contains few trees or shrubs, is characterized by mixed herbaceous (nonwoody) vegetation cover, and is dominated by grasses or grasslike plants. Grassland ecosystems ...

A biological community, essentially a grassland, covering extensive high areas in equatorial mountains of the Western Hemisphere. Paramos occur in alpine regions above timberline and are controlled ...

insect diseases

Science; General science

A biological discipline embracing the general principles of pathology (disease in the broadest sense) as applied to insects. It refers to human observations and actions concerning the cause, ...

glutathione

Science; General science

A biological molecule that is a tripeptide comprising the three amino acids glutamate, cysteine, and glycine, and is involved in multiple metabolic processes. While the cysteine residue is linked to ...

histamine

Science; General science

A biologically active amine that is formed by the decarboxylation of the amino acid histidine. It is widely distributed in nature and is found in plant and animal tissues as well as in insect ...

endotoxin

Science; General science

A biologically active substance produced by bacteria and consisting of lipopolysaccharide, a complex macromolecule containing a polysaccharide covalently linked to a unique lipid structure, termed ...

wurtzilite

Science; General science

A black, infusible carbonaceous substance occurring in Uinta County, Utah. It is insoluble in carbon disulfide, has a density of about 1.05, and consists of 79–80% carbon, 10.5–12.5% hydrogen, 4–6% ...