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Verdich [7]
3 years ago
11

How does the Immune System react to HIV?

Biology
1 answer:
DENIUS [597]3 years ago
8 0

HIV in fact kills the immune system cells causing our body cannot fight off infections and diseases from entering our body. this creates our immune system to become weaken.

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State two advantages of using a electron microscope rather than a light microscope
Andrew [12]

Answer:

Higher magnification

Higer Resolution

Explanation:

5 0
3 years ago
DNA _____.
Ne4ueva [31]

Answer:

Answer:

The correct answer would be "contains coded information for the creation of proteins".

DNA or deoxyribonucleic acid is a polymer of nucleotides.

It is the genetic material in most of the living cells present on earth. That is, it controls all the characters and traits of the living organisms.

In prokaryotes, it keeps floating in the cytoplasm whereas it is confined in the well-defined nucleus in eukaryotic cells.

The nucleotide sequence of the DNA is used as the code for the synthesis of the proteins.

It is first transcribed into the nucleotide sequence of mRNA which is further decoded into the amino acid sequence of the proteins.

8 0
3 years ago
Read 2 more answers
Why is it possible for bacterial cells to obtain new genetic traits while humans cannot?
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<span>Bacterial genome is prone to mutational changes due to its simple nature and less efficient DNA repair mechanisms compared to humans, thus it has more chances of obtaining new genetic traits.</span>
3 0
3 years ago
The Caribbean monk seal was declared extinct in 2008. Although there are other types of seals on Earth, Caribbean monk seals cou
aliina [53]

The correct answer is - species.

The extinct Caribbean monk seal was a species of seal that lived in a relatively small area in only one prat of the planet. Also, this species lived in waters that are not typical for the other seals. Because the Caribbean monk seal was isolated from the other species of seals, its genes over time became different enough from the other types of seals so that they can not mate and produce offspring between each other. While the isolation made it a unique type of seal, it was also very unfortunate because it meant that it can not be saved, at least in a mixed form, by mating with other seals, so this species of seal went extinct.

6 0
3 years ago
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DNA double helix does not have which of the following?
Rina8888 [55]

Answer:

Uracil

Explanation:

  • Uracil is only found in RNA
  • It replaces Thymine during transcription and base pairs with adenine
4 0
3 years ago
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