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Afina-wow [57]
2 years ago
14

Which of the following events occurs during meiosis I?

Biology
1 answer:
olya-2409 [2.1K]2 years ago
4 0

The event that occurs during meiosis I is that homologous chromosomes separate.

What is meiosis?

Meiosis is a kind of cell division where a diploid cell divides into four haploid cells, which develop to produce gametes.

Meiosis is the process of gamete formation made up of two series of successive divisions namely;

Meiosis I

Meiosis II

In meiosis I, the homologous chromosomes separate into two sister chromatids. Homologous chromosomes are two similar but non-identical chromosomes formed from both parents.

Therefore, the event that occurs during meiosis I is that homologous chromosomes separate.

Learn more about homologous chromosomes at:

#SPJ1

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Which statement is true about the layers of the Earth? * 1 as temperature and pressure increases, density increases 2 As tempera
nignag [31]

Answer:

1. As temperature and pressure increases, density increases

Explanation:

The earth is composed of three main layers: Crust, Mantle and Core. The density or mass per unit volume of the earth's layers increases as one moves from the surface towards the interior of the earth known as the core. Also, there is an increase in pressure and temperature as depth increases. There are three main sources of heat in the earth's core: (1) conserved heat from when the planet formed and coalesced, (2) heat due to friction caused by denser core material sinking to the center of the planet, and (3) heat from the decay of radioactive elements.

The earth's core is composed almost entirely of the metals, iron and nickel. The core has an inner solid layer and a molten outer core. Iron and nickel are both very dense metals, so the core of the earth is very dense and the density increases with depth with the inner core being the most dense layer of the earth.

7 0
3 years ago
What would happen if a cell couldn't complete cell metabolism?
tatiyna
They would kill the rest of the cells
8 0
3 years ago
During the early days of deciphering the human genome, scientists were surprised to find that the number of genes appeared to be
Alekssandra [29.7K]

Given what we know, we can confirm that the aspect of nucleic acids and transcription that can help explain this discrepancy is that of alternative splicing.

<h3>Alternative Splicing.</h3>
  • This process allowed the cells to use a single gene for the creation of various proteins.
  • This process includes the separation of RNA at splicing sites to create new versions of the mRNA strand.
  • This helps to increase the diversity of mRNA's available and create more proteins.

Therefore, given that alternative splicing allows the cells to create multiple forms of distinct proteins from a single gene, this allowed our organisms to develop the vast number of proteins we use, without the need for a much larger genome.

To learn more about genome visit:

brainly.com/question/20215717?referrer=searchResults

6 0
3 years ago
State one function of animal cell
Mice21 [21]
Mitochondria - The mitochondria is referred to as the power house of the cell. Its main function if to produceenergy for cell by the process of cellular respiration. The energyproduced is ATP. Endoplasmic Reticulum - It is a network for transportation of certain substances in and out of the nucleus.
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3 years ago
Arrange the three kinds of nitrogenous wastes based on the energy required to synthesize them, beginning with the waste product
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the three kinds of nitrogenous wastes based on the energy required to synthesize them are arranged; Ammonia < urea < uric acid.

Nitrogenous wastes are the nitrogen compounds that organisms use to get rid of excess nitrogen. Ammonia, urea, and uric acid are the most common nitrogenous wastes that animals excrete. Protein metabolism generates all of these nitrogenous wastes.

Ammonia is the most toxic of these nitrogenous wastes, and it is the most common but requires the least energy. Urea is more harmful than uric acid, but it is less harmful than ammonia, reducing the amount of energy required to synthesize it. Uric acid is the least harmful, a non-poisonous particle with four nitrogen molecules. This is useful for birds and reptiles that lay hard eggs because it eliminates the most nitrogen, uses the least amount of water, and is not toxic. It also takes the most energy input.

Know more about urea here: brainly.com/question/14453829

#SPJ4

3 0
2 years ago
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