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hram777 [196]
3 years ago
15

What is the life cycle of the HIV virus once it enters the body? How does the genetic code of the virus change?

Biology
2 answers:
kompoz [17]3 years ago
7 0
HIV gradually destroy the immune system by attacking and killing a type of white blood cell called a CD4 cell. CD4 cells play a major role in protecting the body from infection.
amm18123 years ago
6 0

HIV cannot grow or reproduce on its own. Instead, the virus attaches itself to a T-helper cell and fuses with it. It then takes control of the cell's DNA, replicates itself inside the cell, and finally releases more HIV into the blood – continuing the multiplication process. This is the HIV lifecycle.

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Which area of the world is included in Oceania?
klemol [59]

Hawaii is included in Oceania

Explanation:

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Mauna Loa and Mauna Kea are the highest mountains of Hawaii island. Niihau, Lanai, Kahoolawe, Molokai, Maui, Kauai, Oahu, and Hawaii are eight major island which is eastern end of chain

4 0
3 years ago
Who created the earth
DENIUS [597]
God, He is the one that created the earth.
5 0
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Para a ocorrência de osmose, é necessário que (analise as afirmações a seguir e marque como resposta a soma dos itens corretos u
mixer [17]

Answer:

(08) and (32)

Explanation:

To make osmosis happen there has to be a difference in the concentration of solutes, between the inside and the outside of the cell. To valance this difference in concentration, water has to flow towards a place that has a higher number of solutes.

The lipids in the cell's wall make this membrane semipermeable. This allows the passage of specific components only, such as water through aquaporins. Lipids and other elements are of importance in the barrier because they maintain the cell separated from the outside, allowing it to be balanced as regards the different substances that can interact with it.

6 0
3 years ago
Living organisms cannot use heat to provide the activation energy for biochemical reactions because
Otrada [13]

Considering the following;


I. Heat is not readily available to all living cells.


II. Heat at excessive amounts denatures proteins.


III. Heat does not provide the activation energy for their reactions.


IV. When a critical temperature is reached, proteins no longer function


Answer;


I and IV


Explanation;


Living cells cannot use heat to provide the activation energy for biochemical reactions because heat is not readily available to all living cells and also when a critical temperature is reached, proteins no longer function.


Too much heat can kill an organism by rendering its organelles, cells, tissues and organs permanently inoperable and un-salvageable. The same process can be observed in tissues at low temperatures, and is the cause of frostbite. This is because enzymes are denatured by high temperature and inactivated by low.

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How can i earn money from this app?
ziro4ka [17]

Answer:

u dont earn money from brainly. the point is altruistic help

Explanation:

if u mean something else, provide context and ill leave a comment with the correct answer

3 0
3 years ago
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