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ludmilkaskok [199]
3 years ago
5

Which component of a eukaryotic cell breaks down at the start of replication and reforms at the end of

Biology
1 answer:
Wewaii [24]3 years ago
8 0

Answer:

<u>a.the nuclear membrane</u>

Explanation:

During the late stage of prophase, the nucleolus becomes dispersed in the nucleus and the nuclear membrane breaks down and disappears. This allows the chromosomes to be suspended well in the cytoplasm and get attached to the spindle apparatus.

In telophase, anew nuclear membrane forms around each set of chromatids. So two daughter nuclei are now formed. Each daughter nucleus ends up with the same diploid number of chromosomes as the parent cell. A nucleolus develops in the nucleus of each daughter cell.

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True

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Help look at the picture​
Inessa05 [86]

The Steady State Theory state that the density of the universe was remaining constant.

<h3>Steady State Theory:</h3>

In cosmology, a steady-state theory is a perspective that holds that the universe is constantly expanding while maintaining a constant average density. According to this theory, the matter is continuously created to form new stars and galaxies at the same rate that older ones fade away due to their expanding distance and accelerating recession. The average density and configuration of galaxies are the same as any location in a steady-state universe, which has no beginning or end in time.

British scientists Sir Hermann Bondi, Thomas Gold, and Sir Fred Hoyle first proposed the hypothesis in 1948. Hoyle expanded on it in order to address issues that had come up in relation to the alternative big-bang theory. According to the hypothesis, in order to maintain a constant average density of matter across time, the new matter must constantly be created, primarily as hydrogen. With nearly five times as much dark matter, the amount needed is small and not immediately observable: one solar mass of baryons per cubic megaparsec every year, or one hydrogen atom per cubic meter every billion years.

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5 0
10 months ago
What is not evidence for plate tectonics
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<span>Correlation of Geologic Units is NOT evidence for Plate Tectonics</span>
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_Which molecule is the enzyme in this experiment?
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What experiment?

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The breakup of the supercontinent of Rodinia may have helped create conditions favorable for evolutionary advancement. How?
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The breakup of the supercontinent of Rodinia created new mountains and land surface for new organisms to live on.

<h3>What are supercontinents?</h3>

Supercontinents are large continents which are composed of other continental blocks of the earth.

One of the supercontinents was Supercontinent Rodinia.

The breakup of the supercontinent of Rodinia created new mountains providing a land surface for organisms crawling out of the sea to live on.

In conclusion, supercontinents are composed of fused continental blocks.

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