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ASHA 777 [7]
2 years ago
9

Can a cell live without a cell membrane

Biology
2 answers:
Nikolay [14]2 years ago
4 0
No because if you take that out , it acts like a skeleton so if you take that out, it will spill it contents out and won't really do any thing
Brut [27]2 years ago
4 0
no as the cell membrane works as a barrier controlling what comes in and out of the cell so about the cell membrane harmful substances can get into the cell and kill it
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Diphtheria causing agent mode of Transmission, incubation period,symptoms and preventive measures and cure ​
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Diptheria is a serious infection mainly caused by a specific type of bacteria. This diseases is associated to different symptoms.

<h3>What is the causing agent?</h3>

This disease is caused by Corynebacterium diphtheriae, which is a specific type of bacteria. Moreover, this bacteria produces toxins and this is the cause of the symptoms.

<h3>How is it transmitted?</h3>

This can be transmitted through saliva droplets from one infected person to a healthy person. Usually, symptoms appear within 5 days after getting the bacteria.

<h3>What are the symptoms?</h3>

Although this disease has many symptoms, the most important ones are sore throat and gray lining on the throat and nearby areas.

<h3>How to prevent it or treat it?</h3>

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Learn more about diphtheria in: brainly.com/question/13061650

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Explain why there is a limited number of organisms in a food chain
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Answer:

The correct answer is: geography and UV radiation.

Explanation:

Skin variation occurred thanks to evolution, and was driven as a consequence of the geographical location of different populations of humans.

The humans that lived in hot and sunny places, closer to the equator, where much more exposed to the sun's ultraviolet radiation. In order to survive the amount of UV lights that they were exposed to, new humans in those regions were being born with a darker skin tone, which was rich in melanin (a brown pigment that protects us from the sun radiation).

Contrary to these humans that lived in the tropical areas, the humans that populated the areas that were closer to the poles, developed much lighter skin as a result of lower amounts of melanin in their skin. Since sun exposure in the poles is very limited, humans needed to receive as much as they could for the production of Vitamin D, and thus, their skins got lighter and less protected.

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