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Darya [45]
3 years ago
7

What kind of mutation causes sickle cell anemia?

Biology
1 answer:
coldgirl [10]3 years ago
8 0
Sickle cell anemia is a genetic disease with severe symptoms, including pain and anemia. The disease is caused by a mutated version of the gene that helps make hemoglobin — a protein that carries oxygen in red blood cells. People with two copies of the sickle cell gene have the disease. People who carry only one copy of the sickle cell gene do not have the disease, but may pass the gene on to their children.<span>
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Which of the following is true of the opioid fentanyl? It is used primarily in conjunction with surgical anesthesia. It is found
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Answer: it is used primarily in conjunction with surgical anesthesia

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Por que o nosso nariz fica entupido quando estamos resfriados?
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why does our nose get stuffy when we have a cold

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Due to dilation of blood vessels in the sinuses of the nose

Explanation:

Often times, we think our nose gets stuffed up due to the excess mucus in times of cold but it is not always so.

We get stuffed due to the body's homeostasis, a drive to internally control and balance the outside environment.

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3 years ago
You examine an epithelial cell (skin cell) and notice the chromosomes are visible however it appears there are two nuclei in the
krek1111 [17]

Answer:

The best explanation if we observe an epithelial cell with chromosomes are visible and two cell nuclei is that the cell has just gone through telophase but not cytokinesis (option b).

Explanation:

A somatic cell, when found in mitosis, exhibits the chromosomes distributed in both poles and the outline of two nuclei in the telophase phase, just before cytokinesis.

In mitotic telophase:

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The division and differentiation of the nuclei in telophase is called karyokinesis. Later, cytokinesis occurs, where the daughter cells are separated.

The other options are not correct because:

<em>     a and d. In the other phases described, </em><em><u>S and G1,</u></em><em> no chromosome distribution is observed at the poles.</em>

<em>     c. A somatic cell does not experience </em><em><u>meiosis</u></em><em>.</em>

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3 years ago
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The functions that both the nerve cells and muscle cells have in common are the following;

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-          The cell membrane of both of cells has electrochemical impulses

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4 years ago
​which emotion has been particularly implicated in coronary heart disease?
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