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4 天前 · CRISPR (/ ˈ k r ɪ s p ər /) (an acronym for clustered regularly interspaced short palindromic repeats) is a family of DNA sequences found in the genomes of prokaryotic organisms such as bacteria and archaea. These sequences are derived from DNA fragments of bacteriophages that had previously infected the prokaryote. ...
- CRISPR
- Escherichia coli
4 天前 · Penicillins ( P, PCN or PEN) are a group of β-lactam antibiotics originally obtained from Penicillium moulds, principally P. chrysogenum and P. rubens. Most penicillins in clinical use are synthesised by P. chrysogenum using deep tank fermentation [2] and then purified. [3] [4] A number of natural penicillins have been discovered, but only two ...
- Between 0.5 and 56 hours
- Liver
- In general: ℞ (Prescription only)
5 天前 · Escherichia coli (/ ˌ ɛ ʃ ə ˈ r ɪ k i ə ˈ k oʊ l aɪ / ESH-ə-RIK-ee-ə KOH-ly) is a gram-negative, facultative anaerobic, rod-shaped, coliform bacterium of the genus Escherichia that is commonly found in the lower intestine of warm-blooded organisms. Most E. coli strains are harmless, but some serotypes such as EPEC, and ETEC are pathogenic and can cause serious food poisoning in ...
1 天前 · Lysergic acid diethylamide, commonly known as LSD (from German Lysergsäure-diethylamid), and known colloquially as acid or lucy, is a potent psychedelic drug.[12] Effects typically include intensified thoughts, emotions, and sensory perception.[13] At sufficiently high dosages, LSD manifests primarily mental, visual, and auditory ...
5 天前 · The true nature of the glossopetrae as shark's teeth was held by some since at least 1554, when cosmographer André Thevet described it as hearsay, although he did not believe it. The earliest scientific argument for this view was made by Italian naturalist Fabio Colonna, who in 1616 published an illustration of a Maltese megalodon tooth alongside a great white shark's and noted their striking ...
1 天前 · 2024 Stanley Cup playoffs. The 2024 Stanley Cup playoffs is the playoff tournament of the National Hockey League (NHL) for the 2023–24 season. The playoffs began on April 20, 2024, and will conclude no later than June 24, 2024, with the 2024 Stanley Cup Finals, to determine the winner of the Stanley Cup. [1] [2] The New York Rangers made the ...
2 天前 · Portugal, officially the Portuguese Republic, is a country located on the Iberian Peninsula, in Southwestern Europe, and whose territory also includes the Macaronesian archipelagos of the Azores and Madeira.It features the westernmost point in continental Europe, its mainland west and south border with the North Atlantic Ocean and in the north and east, the Portugal-Spain border constitutes ...
