NURSING EXAM QUESTIONS
MICROBIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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the ability to exist in a wide range of conditions.
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existing in a very narrow niche.
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using chemicals for energy production.
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using light for energy production.
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Detailed explanation-1: -The term facultative refers to. The ability to exist in a wide range of conditions. The use of energy by a cell to enclose a substance in its membrane by forming a vacuole and engulfing it is called. Endocytosis. Which of the following microorganisms would find hypotonic conditions most detrimental?
Detailed explanation-2: -The term facultative refers to. the ability to exist in a wide range of conditions. A microaerophile. requires a small amount of oxygen but won’t grow at normal atmospheric levels.
Detailed explanation-3: -facultative bacteria (FACK-ul-tay-tive) Bacteria that can use dissolved oxygen (DO) or oxygen obtained from food materials such as sulfate or nitrate ions, or some can respire through glycolysis. The bacteria can live under aerobic, anoxic, or anaerobic conditions.
Detailed explanation-4: -As an adjective, obligate means “by necessity” (antonym facultative) and is used mainly in biology in phrases such as: Obligate aerobe, an organism that cannot survive without oxygen. Obligate anaerobe, an organism that cannot survive in the presence of oxygen.
Detailed explanation-5: -Facultative pathogens are organisms for which the host is only one of the niches they can exploit to reproduce. Facultative pathogens are primarily environmental bacteria and fungi that can occasionally cause infection.