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Neporo4naja [7]
2 years ago
6

How does an antibiotic act as a selective agent in promoting bacterial resistance? quilzlet

Biology
1 answer:
sleet_krkn [62]2 years ago
8 0

Answer: Frequent antibiotic use over long periods of time puts selective pressure on bacteria, and causes resistance to spread. When an antibiotic is used to treat a typical bacterial infection, most bacteria are killed. Sometimes, however, a bacterium with an advantage lives.

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What are the subunits of DNA and RNA called?
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RNA: sugar phospahtes and the nitrogenous bases. The nitrogenous bases will be one of these four: Guanin, Adenine, Cytosine, or Uracil.
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<em />

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3 years ago
The answer to picture shown above
Bumek [7]
TTTT is the correct answer



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How are xylem fibers different from xylem parenchymav
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