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wel
3 years ago
11

Why is it important for the DNA to double before mitosis

Biology
1 answer:
tekilochka [14]3 years ago
4 0

It is impecable that DNA doubles itself before mitosis because you need the copied DNA to be able to gain more cells. If your DNA did not undergo mitosis then we would forever remain a baby, brain and all.

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Area measuring 5 m² contains 50 earthworms what is the population density of the earth worms
Darina [25.2K]

The density of a population of living organisms is usually measured in individuals on one square km. In here we have 50 earthworms on an area of 5 square meters, thus we have 10 earthworms on every square meter. In order to get to the result we need to see first how many square meters there are in one square km. One square km has one thousand meters of length and one thousand meters of width so:

1,000 x 1,000 = 1,000,000 km²

Since we established that we have 10 earthworms on every one square meter, we just need to multiply the number of square meters with the amount of earthworms on every square meter:

1,000,000 x 10 = 10,000,000

So we have a density of 10 million earthworms per square km.

7 0
3 years ago
HELP ME ASAP PLEASE ANSWER
astraxan [27]

Rewrite what's noted

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  • white(rr)
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As pink and red are crossed white is out of business.

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8 0
2 years ago
los ambientes húmedos son propicios para que se formen relaciones simbióticas entre organismos. Si un hongo hace simbiosis con u
lina2011 [118]

Answer:

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4 years ago
For bacteria to continue growing rapidly when they shift from an aerobic environment to an anaerobic environment, they must
Paul [167]
<span>The answer to this question would be: e. increase the rate of the glycolytic reactions.

</span>Lack of oxygen limits the possible chemical reaction that can be done to produce energy. In the anaerobic environment, fermentation of glucose would be the source of energy for bacteria. The net amount of ATP can't be increased, so you need to increase the rate instead. 
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Entifying Structures in the Cell Identify the labeled structures A,B,C​
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