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dezoksy [38]
2 years ago
10

Alicia contracted chicken pox when she was a child and her son John recently contracted the disease. Explain fully how Alicia re

mained healthy despite her close contact with John throughout this illness
Biology
1 answer:
Viktor [21]2 years ago
8 0

Answer: she built a immunity from getting the disease

Explanation:

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Penicillin is Choose one: A. produced by a mold and was discovered accidentally. B. a human-designed antibiotic, synthesized to
NeX [460]

Answer:

Option-A

Explanation:

Penicillin is an antibiotic drug that is derived from the fungal species of Penicillium molds especially the<em> Penicillium notatum</em>.  The penicillin acts by disrupting the formation of the cell wall and thus prevents the growth of the bacteria.

The discovery of penicillin was accidental when he was studying the petridish of staphylococcus and he found that due to avoidance while the experiment, molds grew in the petridish.  The area around the mold was clear and clear rings without the bacteria were easily observed. This lead to the discovery of the penicillin compound.

Thus, Option-A is the correct answer.

4 0
3 years ago
How is a dog similar to a baseball player?
Schach [20]
Is that even a question?
3 0
2 years ago
Which is part of the endosymbiont theory? Autotrophic prokaryotes evolved into mitochondria. Eukaryotes engulfed photosynthesizi
MrRa [10]

Answer:

The correct answer is eukaryotes engulfed photosynthesizing prokaryotes

Explanation:

The endosymbiotic theory or symbiogenesis is an evolutionary theory that traces the origin of eukaryotic cells from prokaryotic organisms. It explains that some of the organelles (Mitochondria and Chloroplasts) in eukaryotic cells evolved from free-living prokaryotic microbes which were ingested or engulfed. The ingested prokaryotic cells survived within the organism and developed a symbiotic relationship.

According to the theory, chloroplasts was formed when eukaryotes engulfed photosynthesizing prokaryotes and mitochondria was formed when bacteria capable of aerobic respiration were engulfed.

6 0
3 years ago
Explain how molecules and compounds are different and use examples
Anastasy [175]
A molecule is a group of two or more atoms held together by chemical bonds. A compound is a substance which is formed by two or more different types of elements which are united chemically in a fixed proportion. All molecules are not compounds. All compounds are molecules.
4 0
3 years ago
Read 2 more answers
In which form food is stored in the leaves? Comment
Taya2010 [7]

the answer is starch

Explanation:

food is stored in the leaf in form of starch in plants

7 0
3 years ago
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