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Damm [24]
3 years ago
13

Explain how the VIH virus uses specific structures to enter the cell

Biology
1 answer:
Alona [7]3 years ago
4 0

Answer:

When HIV infects a cell, it first attaches to and fuses with the host cell. Then the virus uses the host cell's machinery to convert the viral RNA into DNA and replicate itself. The new copies of HIV then leave the host cell and move on to infect other cells.

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Can someone please help me answer this question
attashe74 [19]

Answer:

youngest is top oldest is bottom

4 0
3 years ago
Which of the following is not a technology that can be used to conserve resources? a. hydropower b. volcanic power c. natural ga
stich3 [128]

<u>Answer</u>: c. Natural gas.

<u>Explanation</u>:

  • <em>Natural gas</em> is a fossil fuel and thus a<em> non-renewable resource.</em>
  • Natural gas is widely used for the purpose of heating, cooking, and generation of electricity.
  • The process of formation of natural gas takes place over millions of years from decomposing plant and animal material subjected to heat and pressure.

<em>Thus, natural gas cannot be used for the conservation of resources.</em>


7 0
3 years ago
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In the Channel Islands Ecosystem described in this lesson, which of the organisms would you
Alex73 [517]

Answer:when visiting the Channel Islands, you can't help but be amazed by creatures such as the island fox, night lizard, deer mouse, island scrub jay, and ashy storm-petrel, just to name a few of the endemic species.  The Channel Islands were also once home to the pygmy mammoth, a now extinct dwarf elephant that evolved in this insular environment.

Along with these endemic species are many of what biologists call invasive species, species that originated from elsewhere but have found a home in the Channel Islands. These include sweet fennel, olive trees, and Australian blue gum trees. For a time, elk and deer could also be found here as well.

Explanation:

7 0
2 years ago
The pharynx is the structure in the body that serves as a pathway of both air and food. How does the body make sure that food do
MrRa [10]

Answer: The body makes sure that food does not get into the lungs because the epiglottis closes the air pathway so that food will not enter it.

6 0
3 years ago
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What is exothermic and endothermic reactions?
Helga [31]
Exothermic reactions lose heat and are hot to the touch (Think explosion)

Endothermic reactions gain heat and are cold to the touch (Think of an instant ice pack where you pop it to make it cold)
7 0
3 years ago
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