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Darina [25.2K]
2 years ago
6

What are antibiotics and how and why do they work?

Biology
1 answer:
netineya [11]2 years ago
5 0

Answer:

Antibiotics are medicines that help stop infections caused by bacteria. They do this by killing the bacteria or by keeping them from copying themselves or reproducing. The word antibiotic means “against life.” Any drug that kills germs in your body is technically an antibiotic.

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How does the recessive sickle cell allele stay in the gene pool
pishuonlain [190]

Answer: Even though the allele is recessive it is passed down from parent to child and if both parents have the recessive allele it is possible the child will have sickle cell as it is inherited.

Explanation:

4 0
3 years ago
Coach Taylor is trying to explain the negative side effects smoking has to athletic performance. Which of these options include
Darina [25.2K]

Smoking have life-threatening effects on a smoker's lungs. A smoker is at a high risk of lung cancer and chronic obstructive pulmonary disease. In order for a coach to explain the destructive effects of smoking on the performance of the athletes, it is best to show a diagram of the flow of the oxygen-rich blood in a non-smoker's body and then the flow of blood with less-oxygen in smoker's body. This will show the difference between the two situations clearly, and show how the airway resistance effects the performance of a person.

Hence, the answer is 'option C - Diagram the flow of oxygen-rich blood in non-smoker's body and the, diagram of flow of blood with less oxygen in smoker's body'.

7 0
3 years ago
Read 2 more answers
Explain why algae swim up from the bottom of a pond during an afternoon
Effectus [21]

Explanation:

What happens during daytime is, oxygen that gets trapped between filaments of algae, moves them to the surface  and during night as O2 is not produced, they slowly sink to lower depths, and you don't see them

6 0
3 years ago
Which factor is most important for determining the phase in which a substance exists?
sashaice [31]

Answer:

The answer is Mass

6 0
3 years ago
Vinblastine is a standard chemotherapeutic drug used to treat cancer. Because it interferes with the assembly of microtubules, i
Gnesinka [82]

Answer:

a. disruption of mitotic spindle formation.

Explanation:

Vinblastine is a chemotherapeutic drug which is used to restrict cancer cell proliferation. During metaphase, it binds to microtubular proteins which play a very important role in mitotic spindle formation. If spindles will not form then during anaphase, the sister chromatids will not separate and mitosis will not take place. This is how hyper-proliferative cancerous cells are controlled from dividing and cancer is treated using this drug.

8 0
3 years ago
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