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Kaylis [27]
3 years ago
9

Why the answer for question 2 is D please give detail explanation and example​

Biology
1 answer:
ki77a [65]3 years ago
5 0

Answer:

ahhahahahahahhahahahahaha

Explanation:

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A diploid cell contains 2n=2 chromosomes. What will be the number of DNA strands in this cell at G1, G2, Prophase I and Telophas
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Answer:

A diploid cell, with a chromosome charge of 2n = 2 will have in:

  • <em>G1 = 4 strands of DNA, two for each DNA molecule. </em>
  • <em>G2 = 8 strands of DNA. </em>
  • <em>Prophase I = 8 strands of DNA. </em>
  • <em>Telophase II = 2 DNA strands per nucleus.</em>

Explanation:

The cell cycle is divided, broadly speaking, into interphase and cell division (M). The process of division -by mitosis or meiosis- involves a series of intermediate steps that conclude with the production of two identical cells (diploid) or two cells with half the chromosome load (haploid), respectively.

  • <em>In the </em><em>G1 phase</em><em> the cell is in interphase, so the nuclear DNA has not yet replicated. For a cell with 2n = 2, its nucleus has four strands of DNA. </em>
  • <em>In </em><em>G2 phase</em><em>, after DNA replication, the number of DNA strands is doubled, so now in the cell nucleus of the cell there are 4 DNA molecules, each with double strands, so there is a total of 8 DNA strands. </em>
  • <em>In </em><em>prophase I </em><em>of mitosis or meiosis the cell still does not divide there are 4 DNA molecules and 8 DNA strands, as in the previous step. </em>
  • <em>In </em><em>telophase II</em><em>, which only occurs in meiosis, the chromosome charge has been halved, so each daughter cell will have one chromosome (n = 1), one single DNA molecule and 2 DNA strands per nucleus.</em>

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3 years ago
Why are mining companies looking for minerals?
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The companies are looking for minerals to make money and keep their business growing
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Researchers destroyed snippy the rat's ventromedial hypothalamus. this activation is likely to cause snippy to
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The ventromedial hypothalamus is the part of the brain that is responsible for hunger, fear, and even the sexual activity. In this problem, researchers destroyed snippy’s ventromedial hypothalamus, this means that snippy will not be able to feel hunger, fear and will not be active in sexual activities.

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written description of how carbon moves through the biosphere, atmosphere, hydrosphere, and geosphere.
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<span>Carbon is present in the biosphere and other systems of the planet and is an essential part of life. Carbon moves through these systems by feeding the heterotrophs of other organisms, through the consumption of dead organisms. When oxygen is present, there is aerobic respiration, which releases carbon dioxide into the surrounding air or water. It plays an important role in the structure, biochemistry, and nutrition of all living cells.</span>
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When an athlete is nearing the end of a race and her cells are low on oxygen, which of the following is likely to occur in her c
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