NURSING EXAM QUESTIONS
MICROBIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The most abundant genes in prokaryotic genomes are
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Those involved in transport
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Those involved in translation
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Those involved in DNA replication
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Those involved in metabolism
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Explanation:
Detailed explanation-1: -Transposases are the most abundant, most ubiquitous genes in nature-PMC. The .
Detailed explanation-2: -As revealed by genome sequencing, the biology of prokaryotes with reduced genomes is strikingly diverse. These include free-living prokaryotes with ∼800 genes as well as endosymbiotic bacteria with as few as ∼140 genes.
Detailed explanation-3: -Most prokaryotes carry a small amount of genetic material in the form of a single molecule, or chromosome, of circular DNA. The DNA in prokaryotes is contained in a central area of the cell called the nucleoid, which is not surrounded by a nuclear membrane.
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