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Among the listed movies are films that have won motion-picture and science fiction awards as well as films that have been listed among the worst movies ever made, or have won one or more Golden Raspberry Awards. Critically distinguished films are indicated by footnotes in the listings.
The nitrogen compounds through which excess nitrogen is eliminated from organisms are called nitrogenous wastes (/ n aɪ ˈ t r ɒ dʒ ɪ n ə s /) or nitrogen wastes. They are ammonia, urea, uric acid, and creatinine. All of these substances are produced from protein metabolism.
Isaac Asimov, the biochemist and science fiction writer, suggested in 1981 that poly-lipids could form a substitute for proteins in a non-polar solvent such as methane. [51] Lakes composed of a mixture of hydrocarbons, including methane and ethane, have been detected on the surface of Titan by the Cassini spacecraft.
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According to Vivian Sobchack, a British cinema and media theorist and cultural critic: . Science fiction film is a film genre which emphasizes actual, extrapolative, or 2.0 speculative science and the empirical method, interacting in a social context with the lesser emphasized, but still present, transcendentalism of magic and religion, in an attempt to reconcile man with the unknown.
Glutamine synthetase (GS) (EC 6.3.1.2) [3] is an enzyme that plays an essential role in the metabolism of nitrogen by catalyzing the condensation of glutamate and ammonia to form glutamine: Glutamate + ATP + NH 3 → Glutamine + ADP + phosphate Glutamine synthetase catalyzed reaction
A large fraction of the chemical elements that occur naturally on the Earth's surface are essential to the structure and metabolism of living things. Four of these elements (hydrogen, carbon, nitrogen, and oxygen) are essential to every living thing and collectively make up 99% of the mass of protoplasm. [1]