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patriot [66]
3 years ago
9

Many species of bacteria have become resistant to antibiotics because antibiotics have been so widely used. Now, bacteria that u

sed to be killed by antibiotics are more difficult to treat. What is the best way to proceed in dealing with this public health problem?
A. Antibiotics should no longer be used.
B. Antibiotics should be made available to anyone without a prescription.
C. Antibiotics should only be prescribed to people with bacterial infections.
D. Anti-viral medications should now be used instead of antibiotics.
Biology
1 answer:
Katen [24]3 years ago
4 0

Answer: C.

Explanation: A and D do not make sense. B would worsen the problem as people who think they have an infection will run to the store to get antibiotics even if they don't have an infection. Therefore the only answer making sense is C. Hope that helped!

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dezoksy [38]

The most important factor to consider when selecting sources for an essay is the level of detail provided by the source.

<h3>What factors are considered when selecting a source for an essay?</h3>

When writings essays, it is important that the contents are factual and well-researched.

It is also important that the source materials required for the last to be easily accessible as this will help in the completion of the essay.

However, the most important factor to consider when selecting sources is the level of detail provided by the source.

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2 years ago
A bacterium that you isolated from pond water appears to use light for energy. Based upon this information, you inoculate the or
FinnZ [79.3K]

The question is incomplete as it does not have the options which are:

  • there was no sulfur compound added to the medium, that could be used as an electron donor.
  • no oxygen was added to the medium so the organism died.
  • there is some inhibitory chemical that is preventing the growth of the bacterium.
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Answer:

There was no sulfur compound added to the medium, that could be used as an electron donor.

Explanation:

In the given question, the bacteria which are found in the pond uses light energy to use carbon dioxide and form the glucose molecule. These bacteria are known as phototrophic bacteria.

The process of photosynthesis requires an electron donor and an electron acceptor to use molecule.

The organism when provided the light and carbon dioxide artificially in a culture, the bacteria were not able to grow. The reason for this could be accounted as that there was no electron donor found in the media like sulfur which could donate the electron during the chain reaction.

Thus, the selected option is correct.

4 0
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other than earth, is also known to have magnetic pole reversal? A:venus B:Mars C:Earths moon D: The Sun
Dafna1 [17]

Answer:

c.earths moon

Explanation:

earths moon rotates around the earth and causes night to the earth ,as we all know,so c. is the answer.

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The purpose was to test the idea that the complex molecules of life. in this case, amino acids. could have arisen on our young planet through simple, natural chemical reactions. The experiment was a success in that amino acids, the building blocks of life, were produced during the simulation.
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