OBJECTIVE LIFE SCIENCE
MOLECULAR BIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A ____ is a small ring of DNA found in a bacterial cell.
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virus
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plasmid
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gene bullet
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PCR
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Explanation:
Detailed explanation-1: -A plasmid is a small circular DNA molecule found in bacteria and some other microscopic organisms. Plasmids are physically separate from chromosomal DNA and replicate independently.
Detailed explanation-2: -Plasmids carry genes for replicating their DNA, transferring themselves from one host cell to another, and for a variety of phenotypes.
Detailed explanation-3: -Sometimes they carry accessory small rings of DNA, known as plasmids, which enable specialized functions like antibiotic resistance. A broader term, antimicrobial resistance, includes resistance to drugs that treat infections, viruses, or parasites.
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