SCIENCE
VIRUS AND BACTERIA
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What is an Antibiotic?
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Bacteria that use or need oxygen to live
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A strand of DNA or RNA surrounded by a layer of protein that can infect and replicate in a host cell.
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The evolution of a bacterial species in response to antibiotics that makes the medicine less effective.
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Medicine designed to stop the growth or reproduction of bacteria.
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Explanation:
Detailed explanation-1: -Some, such as penicillin, kill bacteria by destroying the bacterial cell wall. Others, such as tetracycline, interfere with the ability of bacteria cells to reproduce or make proteins or nutrients they need to survive.
Detailed explanation-2: -Antibiotics are chemicals that kill or inhibit the growth of bacteria and are used to treat bacterial infections.
Detailed explanation-3: -Bactericidal antibiotics kill bacteria; bacteriostatic antibiotics inhibit their growth or reproduction.
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