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MAXImum [283]
3 years ago
8

How does the immune system recognize its own body’s cells?

Biology
1 answer:
soldi70 [24.7K]3 years ago
7 0
<span> </span>Most cells of the body have self markers on the surface of their cell called the major histocompatibility complex (MHC). The MHC allows cells of the immune system to recognize the cell as part of our self.<span>system to recognize the cell as part of ourself.</span>
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'Ophelia' is the Natural satellites of which planet in our solar system?
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Answer:

Uranus

Explanation:

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3 years ago
How have phosphate minerals most affected human activity
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How have phosphate minerals most affected human activity? Using phosphate minerals in fertilizer allowed humans to grow more crops. The availability of rock and mineral resources has major effects on human activity.

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2 years ago
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2 years ago
In all cells, separation of replicated chromosomes is a prerequisite for cell division. However, the mechanism of chromosome sep
Ipatiy [6.2K]

1. two copies of the duplicated chromosome are attached at their centromeres before separating

2. chromosomes replicate before cell division

3. chromosome separation begins at the origin of replication on DNA

4. Before separation duplicated chromosomes condense; nuclear envelope fragments permitting chromosome separation

5. replicated chromosomes separate by attaching to some other structural feature of the cell

Explanation:

In the given question, the DNA replication steps of both prokaryotes and eukaryotes are provided in which some are common to both eukaryotes and prokaryotes and some are unique to the prokaryotes and eukaryotes.

<u>Eukaryotes </u>

1. Option-4 as the nuclear envelope is present in eukaryotes only.

2. Option-1 as centromere allows the kinetochores bind to the centromere which separates the chromosome.

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6 0
3 years ago
Explain how the structure of your fingers is related to their grasping function.
Karolina [17]

<u>ANSWER:</u>

The muscles and joints allow the hands to perform their function of holding and grasping a wide variety of things.

<u>EXPLANATION:</u>

  • The structure of hands is "very delicate and complex". The tendons, nerve fibres, tissues and thin muscles are located right under the skin.
  • The bones of the hand including the 4 carpal bones, 5 metacarpal and 14 finger bones are all connected by joints and ligaments and these allow the hand to grasp things.
  • The wrist is made of "two parts of a joint" that allow the extension and stretching of hands.
6 0
3 years ago
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