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irakobra [83]
2 years ago
12

the dead-box helicase ddx3 substitutes for the cap-binding protein eif4e to promote compartmentalized translation initiation of

the hiv-1 genomic rna
Biology
1 answer:
kykrilka [37]2 years ago
8 0
I just don’t know how to do that but I’m not going back in the house now lol I’m going back in the bed and I just got a bed lol I’m going back in my shower and I’m just going to sleep now and I’ll be home soon I’m going back home I’m just going back to bed I’m tired I’m sleeping sleep well I love y’all so I’m just going back home now and I’ll let you know when I’m going to bed lol I’m tired of it but I just don’t know what I’m going back with you lol I’m just going
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How specifies that are separated for a river, rocks, mountains, forest ; can at some point not being able to interbreed anymore
Allushta [10]

Answer:

Species separated by a physical barrier for a long time, suffer allopatric speciation, so they can not interbreed anymore.

Explanation:

Allopatric speciation consists of the geographic separation of a continuous genetic background giving place to two or more new geographically isolated populations. These separations might be due to migration, extinction of geographically intermediate populations, or geological events. In this speciation, some barriers impede genetic interchange, or genetic flow, as the two new populations that are separated can not get together and mate anymore. These barriers might be geographical or ecological.

Vicariance is the geographical separation of an original population into two or more new groups. Discontinuities in the physical environment like rivers, mountains, water, etc., are physical barriers that impede genetic flow between the separated groups.

The process of allopatric speciation involves different steps:  

  1. The emergence of the barrier.  
  2. Interruption in the genetic interchange
  3. The occurrence of new mutations and their accumulation in time in each population. Slow and gradual differentiation.
  4. Genetic divergence by natural selection and reproductive isolation makes it impossible for the two groups to mate even if the barrier disappears.  
  5. Prezigotic isolation mechanisms favored by selection once occurs a secondary contact between the new species in formation.

8 0
2 years ago
If you wanted to see a cell wall, where could you look?.
tatyana61 [14]

Answer:

A cell wall is a structural layer surrounding some types of cells, just outside the cell membrane. It can be tough, flexible, and sometimes rigid. It provides the cell with both structural support and protection, and also acts as a filtering mechanism.

Explanation:

A cell wall is a rigid, semi-permeable protective layer in some cell types. This outer covering is positioned next to the cell membrane (plasma membrane) in most plant cells, fungi, bacteria, algae, and some archaea.

3 0
2 years ago
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I REALLY NEED HELP!!!
yaroslaw [1]

Answers 1-15. I didn’t know if you needed a letter or not so I just put it just in case.

4 0
3 years ago
Some organisms can reproduce both sexually and asexually. Which of the following is a long-term consequence of undergoing only a
disa [49]
<span>Less genetic variation than if the organism reproduced sexually. Asexual reproduction is kind of like cloning, the reproductions are copies of the organism.
:))</span>
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3 years ago
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Need help with 9 pls
EastWind [94]

its a plus b sqaured

5 0
3 years ago
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