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stira [4]
3 years ago
9

Why is it important for the immune system to be able to tell the differences between the animals own cells and pathogens

Biology
1 answer:
laiz [17]3 years ago
6 0

It will be able to target specific cells that need to be killed such as pathogens and not kill the entire organism.


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An experiment was done by Gierer and Schramm where they exposed plant tissue to purified RNA from tobacco mosaic virus, and the
cestrela7 [59]

Answer:

See the answer below

Explanation:

A DNase is also known as deoxyribonuclease and it is an enzyme that catalyzes the degradation of deoxyribonucleic acid by cleaving the phosphodiester linkage in their structures. Thus,<em> if the RNA is treated with a DNase before the plants are exposed to it, it will not make any difference. The plants will develop the same types of lesions as if they have been exposed to the mosaic virus.</em>

Unlike DNase, RNase is a ribonuclease, an enzyme that is capable of carrying out catalytic degradation of ribonucleic acids. <em>This means that if the RNA is treated with RNase before the plants are made to be exposed to it, they will not develop the lesions because the RNA would have been degraded by the enzyme.</em>

A protease is an enzyme that degrades the structure of proteins. <em>Treating a RNA with protease will thus have no effect on the structure of the RNA. Exposing the plants to the protease-treated RNA will make no difference. The plants will still come down with the lesions as if they have been exposed to the virus. </em>

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3 years ago
How do Solids, liquids and gasses change states?
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you melt a solid to turn into a liquid, then you boil the liquid to turn it into gas

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3 years ago
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How is the organization of a leaf cutter ant colony and a colony of naked mole rats similar?
sasho [114]
The organization is as follows;Indiviaduals are divided among castes,one female and a few male breed,large workers specialize in defense and individuals share a high degree of relatedness.Also,the different castes perform different functions primarily based on their size.
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3 years ago
Why is DNA antiparallel? It has double strands complementing each other. The bases in one strand pair with the other bases in th
hammer [34]

Answer: DNA is antiparallel because Its double strands run in opposite directions.

Explanation: The antiparallel nature of DNA strands means that as one strand runs in 5'->3' direction, the other strand runs in 3'->5' direction. The two antiparallel DNA strands are not identical in either base sequence or composition rather they are complementary to each other. This means that anywhere thymine base is found in one strand, adenine is present in the other strand and anywhere guanine occurs in one strand, cytosine occurs in the other strand.

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Please select the word from the list that best fits the definition
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I believe it’s B correct me if I’m wrong :,)
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