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Illusion [34]
3 years ago
10

Como reconoce el sistema inmune lo propio de lo entraño?

Biology
1 answer:
aleksandr82 [10.1K]3 years ago
6 0

Answer:

si este recoje lo que de verdad ayuda al cuerpo y desecha lo que le hace daño

Explanation:

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3 years ago
In how many ways can nine members of committee sit at the round table so that secretary and the joint secretary are always the n
MaRussiya [10]

Answer:

1440

Explanation:

Members except president, secretary and joint secretary = 9−3=6

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Total arrangement =2×6!

2 x 6! = 1440

7 0
2 years ago
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The stem of a plant _____.
alekssr [168]

Answer:

The correct choice is All of the above

Explanation:

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4 0
3 years ago
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If Planet Y orbits the Sun but does not rotate on its axis at all, how long would a day be on Planet Y?
sertanlavr [38]

Answer:

B, a day would be exactly the same as a year.

Explanation:

I <em>think</em><em> </em>that it would mean that a day would be exactly the same as a year (B).

5 0
2 years ago
Differentiation of a blood vessel into an artery or a vein is regulated by which of the following?
Nadusha1986 [10]

Answer:

Notch signaling

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Notch signalling operates in many cell type at different stages during development. The notch signalling regulates cell fate, cell proliferation, cell differentiation and cell death. The notch cascade contains notch as well as notch ligands. It also contains intracellular protein which transmits the notch signal to the nucleus of the cell. It is important for the regulation of embryonic development.

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3 years ago
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