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Paladinen [302]
4 years ago
6

Which of the following statements is true for a eukaryotic cell?

Biology
1 answer:
Aleks04 [339]4 years ago
8 0
<span>The correct option is B. Eukaryotic cells are developed cells with well defined structures. The organelles inside the cell are well compartmentalized, surrounded with their own membranes. These membranes make it possible for the organelles to regulates the movement of particles in and out of the cell.</span><span />
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Your respiratory muscles contract each time you exhale.<br><br><br> TrueFalse
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False,your respiratory muscle expand each time when you exhale.
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Describe the geoscience processes that help to change Earth’s surfaces over time.
Kisachek [45]
Geoscience processes such as weathering, erosion, and deposition are constantly changing Earth's surface. The planet's systems interact to shape Earth's history and future. By mapping the natural events in an area and understanding the geological forces involved, future events can be predicted and forecasted.
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Help please <br><br> In your own words please <br> Thank U
ELEN [110]
Hello!
2.Allergens cause an allergic reaction. T<span>heir immune system produces antibodies, that are triggered depending on what substance it is.

3.Asthma is classified as an allergy because substances may trigger asthma and sometimes they do not, just like how certain substances cause the allergies.
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7 0
4 years ago
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Describe the general types of diagnostic tests used to diagnose patients infected with HIV.
GenaCL600 [577]

AIDS

This disease leads to death by weakening the immune system of the human body.  Common symptoms are related to the nervous system like dementia, anxiety, depression and insomnia.

TESTS

The tests for AIDS are discussed below.

The most common test for any disease is the blood test.  

When human body is infected with the virus, the body produces anti-bodies to combat this infection. The blood test is positive if these anti-bodies are present in the blood sample of the infection person. However, it takes time for these anti-bodies to appear in the blood stream, hence, blood test should be done at regular intervals.

The tests specifically developed for AIDS are as follow.

ELISA or Enzyme-linked immunosorbent assay

If this test is positive, this is followed by a Western Blot test. The blot test is done in order to confirm the disease.

As said before, anti bodies take time to develop. If the test is done during this phase, it will be negative despite of the presence of virus in the blood stream.

HOME

Only one home test is approved. This is called Home Access Express Test. The kit of this home test is available at pharmacies.

SALIVA

The saliva from the patient’s cheek is obtained on a cotton pad. This pad is put in a vial which is then sent to the lab for testing.  If the result is positive, blood test is done to confirm the disease.

VIRAL LOAD

As the name suggests, this test measures the quantity of virus present in the blood. This test is done to either test the presence of HIV or to track the progress of the treatment of HIV.

WESTERN BLOT

This test is done when the result of ELSA test is positive. This test confirms the disease.

All the above test if turn out negative and the patient still doesn’t recovers, this testing should be done periodically until the disease is confirmed.

6 0
3 years ago
New Zealand has a population of 4,326,380 and has an area of 103,736 mi squared while Australia has an area of 2,967,909 mi squa
Inga [223]

Population density refers to the determination of population in a unit area or unit volume. It is generally applicable to the living species, and majorly to the humans. It is an essential geographical term and its a quantity of type number density.  

In the given case, it can be seen that New Zealand exhibits a smaller population in comparison to Australia, but it has a greater population density as it encompasses a much smaller region.  

On the other hand, the population of Australia is about five times more than New Zealand, but Australia covers about 30 times more area in comparison to what New Zealand covers.  


8 0
3 years ago
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