Salmonella is a genus of rod-shaped gram-negative bacteria of the family Enterobacteriaceae. The two species of Salmonella are Salmonella enterica and Salmonella bongori. Salmonella enterica is the type species and is further divided into six subspecies that include over 2,500 serotypes. Salmonella species are non-spore-forming, predominantly motile enterobacteria with cell diameters between about 0.7 and 1.5 Âµm, lengths from 2 to 5 Âµm, and peritrichous flagella. They are chemotrophs ...
How to Use the Louvre. You are about to enter the Louvre, the worldâs largest and most-visited museum, drawing nearly 10 million people each year. It is a museum dedicated to education, with the primary mission to preserve and pass on our heritage to future generations.
The Louvre is the world's third most visited museum, receiving 7.3 million visitors in 2016. The museum is housed in the Louvre Palace, originally built as a fortress in the late 12th century under Philip II. Remnants of the fortress are visible in the basement of the museum.