Definition, Betydelse & Synonymer | Engelska ordet FACULTATIVE

Definition av FACULTATIVE

1. fakultativ

Exempel på hur man kan använda FACULTATIVE i en mening

• It is a facultative anaerobic organism that can infect humans via the Oriental rat flea (Xenopsylla cheopis).
• Yersinia species are Gram-negative, coccobacilli bacteria, a few micrometers long and fractions of a micrometer in diameter, and are facultative anaerobes.
• These varieties lie on a continuum between the two extremes of constitutive heterochromatin and facultative heterochromatin.
• Thiomargarita namibiensis is a harmless, gram-negative, facultative anaerobic, coccoid bacterium found in the ocean sediments of the continental shelf of Namibia.
• It is often positive for catalase and nitrate reduction and is a facultative anaerobe, meaning that it can grow without oxygen.
• Because Armillaria is a facultative saprophyte, it also feeds on dead plant material, allowing it to kill its host, unlike parasites that must moderate their growth to avoid host death.
• Some organisms are primarily independent and form facultative colonies in reply to environmental conditions while others must live in a colony to survive (obligate).
• If oxygen is present in the cell, many organisms will bypass fermentation and undergo cellular respiration; however, facultative anaerobic organisms will both ferment and undergo respiration in the presence of oxygen.
• For example, species of salamanders in the family Proteidae are obligate paedomorphs, whereas species belonging to the Ambystomatidae are facultative paedomorphs.
• The American eel (Anguilla rostrata) is a facultative catadromous fish found on the eastern coast of North America.
• For "complex" or larger investments manuscripted policies are the norm and there may be several insurers providing cover in the form of a syndication, through co-insurance, or perhaps with the participation of a reinsurer on a facultative basis.
• Species within the order are variously ectomycorrhizal, saprotrophic, associated with orchids, or facultative plant pathogens.
• The arowana is a facultative air breather and can obtain oxygen from air by sucking it into its swim bladder, which is lined with capillaries like lung tissue.
• Many species in the Halictidae are eusocial at least in part, such as Lasioglossum malachurum, with fairly well-defined queen and worker castes (though not the same as the caste system in honey bees), and certain manifestations of their social behavior appear to be facultative in various lineages.
• Salmonella enterica (formerly Salmonella choleraesuis) is a rod-shaped, flagellate, facultative anaerobic, Gram-negative bacterium and a species of the genus Salmonella.
• Klebsiella pneumoniae is a Gram-negative, non-motile, encapsulated, lactose-fermenting, facultative anaerobic, rod-shaped bacterium.
• Certain eukaryotes are also facultative anaerobes, including fungi such as Saccharomyces cerevisiae and many aquatic invertebrates such as nereid polychaetes.
• These bacteria can be further categorized as obligate alkaliphiles (those that require high pH to survive), facultative alkaliphiles (those able to survive in high pH, but also grow under normal conditions) and haloalkaliphiles (those that require high salt content to survive).
• Chlorhexidine is active against Gram-positive and Gram-negative organisms, facultative anaerobes, aerobes, and yeasts.
• Its members are primarily facultative parasites and commensals of humans and other animals, living in and around the sweat glands, sebaceous glands, and other areas of the skin.

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