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Veseljchak [2.6K]
3 years ago
5

In the article you read, the number of cases of paralytic polio went from about 2,500 per year in the 1950s to complete eradicat

ion in the Americas by 1994. Explain how the use of cell technology makes disease eradication possible.
Biology
2 answers:
notka56 [123]3 years ago
6 0

E2020 Check every item included in your answer.

  • Cell technology allows research into a disease to occur at a rapid pace.  
  • Cell technology speeds up the production and testing of vaccines and drugs.
  • Cell cultures can produce antibodies in large quantities in a short period of time.
  • Cell cultures allow vaccines to be produced cheaply.
  • Cell cultures make it possible to vaccinate large numbers of people quickly.
EleoNora [17]3 years ago
4 0

Oral polio vaccine is highly effective and inexpensive (about US$0.10 per dose, or US$0.30 per child and its availability has bolstered efforts to eradicate polio. A study carried out in an isolated Eskimo village showed that antibodies produced from subclinical wild virus infection persisted for at least 40 years. Because the immune response to oral polio vaccine is very similar to natural polio infection, it is expected that oral polio vaccination provides similar lifelong immunity to the virus.

Contact immunity to polio can occur when attenuated poliovirus derived from the oral polio vaccine is excreted, and infects and indirectly vaccinates unvaccinated individuals.

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Describe the process in which trees communicate with one another
olya-2409 [2.1K]

Answer:

Trees share water and nutrients through the networks, and also use them to communicate. They send distress signals about drought and disease, for example, or insect attacks, and other trees alter their behavior when they receive these messages.

8 0
2 years ago
Organisms can be classified in the same species by morphology and
snow_lady [41]
I believe the correct answer would be <span>variation. The definition of variation in biology means,</span><span> any difference between cells, individual organisms, or groups of organisms of any species caused either by genetic differences or by the effect of environmental factors on the expression of the genetic potentials. So i think that organisms can also be classified as variation. Hope this helped. ♥ ☺

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4 0
3 years ago
What is photosynthesis​
Svet_ta [14]

Photosynthesis is a process when the plants is absorbing sunlight to use the sunlight to make energy for them.

Photosynthesis equation :

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7 0
2 years ago
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HELP!!! The graph on the left shows the total supply and consumption of forests
zzz [600]

Answer:

A

Explanation:

The number of different species in a particular habitat is what is what makes up the biodiversity in such habitat. The more varied the species are, the higher the biodiversity.

There are factors that could lead to a decline in the biodiversity level of an habitat which is illustrated by the two graphs above. One of such factors is over exploration of a forest.

The graph shows that as consumption of lumber increases at a faster rate compared to how forest is replenished, the amount of lumber available for supply also reduces. As this goes on, biodiversity keeps declining.

In summary, we can say that:

"When forests are cut down faster than they can be replenished, biodiversity quickly decreases."

3 0
2 years ago
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All lipids share this characteristic.
Pani-rosa [81]

Answer: Option B) Lipids generally don't dissolve in water.

Explanation:

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Thus, all lipids share the characteristics of not dissolving in water.

8 0
3 years ago
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