the chemical is not harmful to plants
41Müllerian mimicry — The Heliconius butterflies from the tropics of the Western Hemisphere are classic Müllerian mimics.[1] Müllerian mimicry is a natural phenomenon when two or more harmful species, that may or may not be closely related and share one or more common …
42Daidzein — Not to be confused with Daidzin. Daidzein IUPAC name 7 Hydroxy 3 (4 hydroxyphenyl) chromen 4 one …
43Substantial equivalence — The phrase substantial equivalence is given to a relatively new concept used in the regulation of new foods, especially genetically modified foods, also called [recombinant DNA] (rDNA) derived foods (hereafter GM foods). The concept is used to… …
44materials science — the study of the characteristics and uses of various materials, as glass, plastics, and metals. [1960 65] * * * Study of the properties of solid materials and how those properties are determined by the material s composition and structure, both… …
45nitrogen group element — ▪ chemical elements Introduction any of the chemical elements that constitute Group Va of the periodic table (see Figure >). The group consists of nitrogen (N), phosphorus (P), arsenic (As), antimony (Sb), and bismuth (Bi). The elements share… …
46Fire ecology — The Old Fire burning in the San Bernardino Mountains (image taken from the International Space Station) Fire ecology is concerned with the processes linking the natural incidence of fire in an ecosystem and the ecological effects of this fire.… …
47Nuclear weapon design — The first nuclear weapons, though large, cumbersome and inefficient, provided the basic design building blocks of all future weapons. Here the Gadget device is prepared for the first nuclear test: Trinity. Nuclear weapon designs are physical,… …
48Ultrasound — Not to be confused with Supersonic .Ultrasound is cyclic sound pressure with a frequency greater than the upper limit of human hearing. Although this limit varies from person to person, it is approximately 20 kilohertz (20,000 hertz) in healthy,… …
49Spider-Man's powers and equipment — The fateful spider bite that gave Peter Parker his powers. Amazing Fantasy #15, art by Steve Ditko. Spider Man s powers, abilities, and equipment are used by Marvel Comics superhero Spider Man in tandem to combat his many foes. He receives most… …
50Electron transport chain — The electron transport chain in the mitochondrion is the site of oxidative phosphorylation in eukaryotes. The NADH and succinate generated in the citric acid cycle are oxidized, providing energy to power ATP synthase …
