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Andru [333]
3 years ago
14

Where is blood produced in infants after birth?

Biology
2 answers:
Cloud [144]3 years ago
6 0

the answer

it is the brain


Sedbober [7]3 years ago
5 0
"Red blood cells are primarily produced in the fetal bone marrow in response to erythropoietin and are stored in the marrow as precursors to reticulocytes and mature erythrocytes."
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Plz help ASAP! THANK YOU
marysya [2.9K]

Answer:

According to the diagram, what is occurring in step 7 is cytokinesis, with the separation of two daughter cells, following cell division.

Explanation:

Cytokinesis is a process that occurs at the end of mitosis or meiosis, being the final step of cell division. This mechanism allows the <u>separation of the two daughter cells</u>, with equal distribution of cytoplasm and formation of cell membrane, differentiating into two independent cells.

In the diagram it can be observed (step 7) that after the division process —in yellow— two arrows pointing to two cells are evident, which implies the process of cytokinesis.

Prior to the cytokinesis process, karyokinesis occurs, which is the separation of nuclei and formation of the nuclear membrane.

In animal cells, karyocinesis occurs by the effect of a ring of actin and myosin that helps to force the separation. In the plant cell, the fragmoplast is formed, a septum that induces the separation of the daughter cells.

The other options are not correct because:

  • <u><em>Cell growth</em></u><em> occurs in G1 phase.</em>
  • <u><em>Cell preparation</em></u><em> occurs in interphase.</em>
  • <u><em>DNA replication</em></u><em> occurs in S phase.</em>
  • <u><em>Mitosis</em></u><em> is represented in yellow, and involves 4 phases.</em>

4 0
3 years ago
The bean plant grown under the green filter will grow taller than the bean plant grown under unfiltered sunlight.
andrew11 [14]
The light needed for photosynthetic reactions tends to be more reds and purple wave lengths. The Green wavelength is reflected. Filtering out the green light will stunt the light reactions of the plant.
5 0
3 years ago
Who is responsible for determining the structure of the dna molecule
Dennis_Churaev [7]

Answer: James Watson and Francis Crick

Explanation:

In 1953 James Watson and Francis Crick are responsible for determining the structure of DNA. James and Watson proposed that the DNA is made up of a double polynucleotide chains that are twisted around each other to forming a helical structure. The two DNA chains runs anti-parallel in opposite direction to each other. Like the structure of the ladder.

The answer is James Watson and Francis Crick

8 0
3 years ago
Are minerals naturally occuring?
vfiekz [6]
Yes, they are.

Minerals are the result of rock metamorphic cycles and other volcanic activities that result to these mixture of different minerals. Minerals can also be the cause of some biogeochemical cycles that occurs on the earth's different spheres. 
7 0
3 years ago
PLEASE DON'T LEAVE UNHELPFUL ANSWERS
Readme [11.4K]
<span>1. One common interaction between biotic and abiotic components of an ecosystem is photosynthesis. Sunlight is abiotic (solely energy), and it fuels the synthesis of sugars and proteins inside plant cells once it is taken up by plant leaves. </span><span>This process also produces oxygen.


</span>
2. Biotic factor that can affect the size of a population in a specific ecosystem:
<span>Number and kinds of predators in the ecosystem.
</span><span /><span>
Predator-prey relationships
When the moose population is high on Isle Royale, the wolves have more food source from preying on the moose. This supports an increase in the wolf population.</span>
<span /><span>
3. Temperature
You can change the temperature to freezing it will affect the aquarium because the organisms will not be able to tolerate the new environment if they are species that thrive in warm temperatures.
</span>


4 0
3 years ago
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