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Gemiola [76]
3 years ago
6

You use two drugs (sulfisoxazole and trimethoprim) to treat a bacterial infection and notice that bactericidal activity is enhan

ced. this is known as:
Biology
1 answer:
mezya [45]3 years ago
4 0
Antagonsitic effect/interaction/response

In order to combat antiobiotic resistance, and to possibly enhance the activity of antibiotics, they are sometimes used in combinations during treatment. However, three possible responses or effects can manifest. 

First is antibiotic synergy, where the combined effect of the antibiotics enhances the activity/potency of the treatment compared to when the antibiotics are administered singly.

The effect is also distinguished from another type of response, which is additive effect, where the combined effect of the antibiotics is more or less equal to the combined activity/potency of each of the antibiotic when applied singly. Antibiotic synergy results in even greater enhancement of the activity of the combined antibiotics compared to additive effect. 

Lastly, there is the antagonistic effect or response, where the combined effect of the antibiotics results in the weakening of the potencies of the antibiotics relative to the combined (additive effect) potencies of each of the antibiotics. 
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Answer:

Because the vaccine is an antigen from living, weakened or killed microorganisms that activate the immune system and the body produces protective antibodies.

8 0
3 years ago
Give an example of how a biome is an open system from the point of view of the biosphere, atmosphere, lithosphere, and hydrosphe
Karolina [17]

Given what we know, we can confirm that the biome is in fact an open system due to the interactions between the biosphere, atmosphere, lithosphere, and hydrosphere.

<h3>What is the biome?</h3>
  • The biome is the collection of air, soil, water, and all the organisms that reside within these ecosystems.
  • In order to describe an open system, we say that the system must have external interactions.
  • A biome is an open system because it has both internal and external interactions, such as with asteroids in space.
  • The internal interactions include the ones between the<em><u> biosphere, atmosphere, lithosphere, and hydrosphere.</u></em>
  • A prime example is the movement of water through each of the spheres.

Therefore, since each part of the biome interacts with each other as well as with external sources such as space, we can confirm that it complies with the definition of an open system.

To learn more about open systems visit:

brainly.com/question/8987993?referrer=searchResults

7 0
3 years ago
A testable idea about a set of observations or natural phenomenon.
galben [10]

C. theory is the answer to your question

6 0
3 years ago
The building of rocks of living things this is called
butalik [34]

Sedimentary rocks are formed from pre-existing rocks or pieces of once-living organisms. They form from deposits that accumulate on the Earth's surface.

4 0
2 years ago
Which best explains why two animals look so simliar if they are not closey related​
Setler [38]

Answer:

Because of evolutionary traits based on the environment.

Explanation: This is probably because they live in a similar environment, so they both evolved to have similar adaptations to make them excel in that specific enviroment

6 0
3 years ago
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