The P-39 was used by the Soviet Air Force, which used it to score the highest number of kills attributed to any US fighter type flown by any air force in any conflict. [N 2 ] Other major users of the type included the Free French, the Royal…
Spolu s ostatními státy v oblasti vytváří sdružení volného obchodu Mercosur a politické společenství Unie jihoamerických národů, jež mělo být vytvářeno podle vzoru Evropské unie, v posledních letech však uvízlo na mrtvém bodě. [3 ]
Bacteria living in the biofilm mode of growth tolerate conventional antimicrobial treatments. The discovery that many bacteria use quorum-sensing (QS) systems to coordinate virulence and biofilm development has pointed out a new, promising…
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Bacterial conjugation, also referred to as bacterial sex, is a major horizontal gene transfer mechanism through which DNA is transferred from a donor to a recipient bacterium by direct contact.