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1 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
2 天前 · This is a list of countries and dependencies ranked by population density, sorted by inhabitants per square kilometre or square mile. The list includes sovereign states and self-governing dependent territories based upon the ISO standard ISO 3166-1. The list also includes unrecognized but de facto independent countries.
4 天前 · Example graph of a logistic regression curve fitted to data. The curve shows the estimated probability of passing an exam (binary dependent variable) versus hours studying (scalar independent variable). See Example for worked details. In statistics, the logistic model (or logit model) is a statistical model that models the log-odds of an event as a linear combination of one or more independent ...
1 天前 · The demographics of Israel, monitored by the Israel Central Bureau of Statistics, encompass various attributes that define the nation's populace.Since its establishment in 1948, Israel has witnessed significant changes in its demographics.Formed as a homeland for the Jewish people, Israel has attracted Jewish immigrants from Europe, Asia, Africa, and the Americas.
1 天前 · The United States had an official estimated resident population of 334,914,895 on July 1, 2023, according to the U.S. Census Bureau. This figure includes the 50 states and the Washington, D.C. but excludes the population of five unincorporated U.S. territories (Puerto Rico, Guam, the U.S. Virgin Islands, American Samoa, and the Northern Mariana Islands) as well as several minor island possessions.
1 天前 · Poliomyelitis (/ ˌ p oʊ l i oʊ ˌ m aɪ ə ˈ l aɪ t ɪ s / POH-lee-oh-MY-ə-LY-tiss), commonly shortened to polio, is an infectious disease caused by the poliovirus. Approximately 75% of cases are asymptomatic; mild symptoms which can occur include sore throat and fever; in a proportion of cases more severe symptoms develop such as headache, neck stiffness, and paresthesia.
1 天前 · Heathrow Airport (/ ˌ h iː θ ˈ r oʊ, ˈ h iː θ r oʊ /), called London Airport until 1966 (IATA: LHR, ICAO: EGLL), is the main international airport serving London, the capital of England and the United Kingdom.It is the largest of the six international airports in the London airport system (the others being Gatwick, City, Luton, Stansted and Southend).
