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Katarina [22]
3 years ago
5

Can someone help me this this

Biology
1 answer:
madreJ [45]3 years ago
7 0
All of them or ....
what question?  
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the unicellular spores of the fern ceretopteris richardii are about 100 um in diameter.calculate the surface-area-to-volume rati
WINSTONCH [101]
The surface area will be:
S.A. = 6l²
S.A = 6(100 x 10⁻⁶)²

Volume = l³
Volume = (100 x 10⁻⁶)³

Surface area to volume ratio:
[6(100 x 10⁻⁶)²] / (100 x 10⁻⁶)³
S.A : Vol = 6 x 10⁴
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3 years ago
In a plant cell, what organelles play a role in structure for the whole plant?
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Nucleus, The “brains” of the cell, the nucleus directs cell activities and contains genetic material called chromosomes made of DNA.

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3 years ago
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Mariana [72]
This is about you lol we can’t answer this
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explain the role of the digestive system, the respiratory system and the urinary system in the removal of waste. how do these wa
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The function of the digestive system<span> is </span>digestion<span> and absorption.</span>Digestion<span> is the breakdown of food into small molecules, which are then absorbed into the body. The </span>digestive system<span> is divided into two major parts: The </span>digestive tract<span> (alimentary canal) is a continuous tube with two openings: the mouth and the anus.</span>
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The "crossing over" of maternal and paternal genetic information in chromatids to form new combinations of genetic information o
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Metaphase is the stage in which the "crossing over" occurs.


As we know chromosomes carry genetic information. This crossing over process happens in eukaryotic cells and occurs during the mitosis phases of cell division.


Hopefully this helped.
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4 years ago
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