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3 days ago · Science fiction is a form of fiction that deals principally with the impact of actual or imagined science upon society or individuals. The term ‘science fiction’ was popularized, if not invented, in the 1920s by one of the genre’s principal advocates, the American publisher Hugo Gernsback.
4 days ago · Definition. Messenger RNA (abbreviated mRNA) is a type of single-stranded RNA involved in protein synthesis. mRNA is made from a DNA template during the process of transcription. The role of mRNA is to carry protein information from the DNA in a cell’s nucleus to the cell’s cytoplasm (watery interior), where the protein-making machinery ...
Apr 7, 2024 · nutrition, the assimilation by living organisms of food materials that enable them to grow, maintain themselves, and reproduce. MyPlate, a revised set of dietary guidelines introduced by the U.S. Department of Agriculture (USDA) in 2011, divides the four basic food groups (fruits, grains, protein, and vegetables) into sections on a plate, the ...
Apr 2, 2024 · mass, in physics, quantitative measure of inertia, a fundamental property of all matter. It is, in effect, the resistance that a body of matter offers to a change in its speed or position upon the application of a force. The greater the mass of a body, the smaller the change produced by an applied force. The unit of mass in the International ...
3 days ago · maria: 1 n a dark region of considerable extent on the surface of the moon Synonyms: mare Type of: part , region the extended spatial location of something
Mar 27, 2024 · Vitamin C is essential for the synthesis of collagen, a protein important in the formation of connective tissue and in wound healing. It acts as an antioxidant, protecting against damage by reactive molecules called free radicals. The vitamin also helps in stimulating the immune system. It has been shown in animal trials that vitamin C has some ...
Apr 8, 2024 · Deforestation, clearing or thinning of forests by humans to make the land available for other uses. Deforestation is a major driver of terrestrial habitat loss and habitat fragmentation and contributes to global warming. Learn about historical and modern deforestation and its effects.
