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Scilla [17]
3 years ago
5

Explain how artificial selection could lead to a new plant or animal?

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

Answer:

Explanation:h

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Plants that live just one year are known as
ElenaW [278]
Annual plants live for just one year.

hope this helped :)
6 0
3 years ago
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Which buffer system is closely linked to the respiratory system?A. pyruvateB. bicarbonateC. phosphateD. protein
Alchen [17]

B. Bicarbonate

<em>The blood brings bicarbonate to the lungs, and then it is exhaled as carbon dioxide. The kidneys also help regulate bicarbonate... it is excreted and reabsorbed by the kidneys.</em>

<em>The body's main response is to get rid of more carbonic acid and hold on to as much bicarbonate base in the kidneys as it can.</em>

4 0
3 years ago
You have identified two mutants with same phenotype.
algol13

Answer:

No, there are multiple ways in which different mutations in the same gene can cause the same phenotype

Explanation:

Several different mechanisms of mutation can lead to the same phenotype. For example, lets say our phenotype is that flies have white eyes, and we know that this occurs in one particular gene that normally makes the eye colour red. (the red gene)

These mutations likely rendered the red gene ineffective (as the eyes are not red). However, this could happen in a variety of ways.

  • There could be a single base deletion in the first exon of the mRNA, changing the reading frame of the protein and messing up the entire sequence (a frame shift mutations)
  • The entire gene could be deleted
  • A single base could be substituted in an important site of the gene, for example, one which translates into a catalytic residue or binding site in the protein
  • There could be an inversion at the promoter region of the gene, such that a transcription factor can no longer bind to transcribe the gene.

There are countless other ways in which a mutation could have been caused. Therefore, just because we know the same gene is affected does not mean that we can assume the mutations are identical.

7 0
3 years ago
Which of the following are considered renewable resources?
elena55 [62]

Answer:

B.wind and C.solar

Explanation:

hope it helps

8 0
2 years ago
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When the influenza virus enters into an epithelial cell within the respiratory tract, the infected cell responds by
Lena [83]

When the influenza virus enters an epithelial cell, the infected cell responds by posting antigens and acting as a flag for cytotoxic T cells.

<h3>What is the cell-mediated response?</h3>

The cell-mediated response is a type of immune response where the organism is able to respond to pathogens by immune cells.

Macrophages (as well as other immune cells ) can act during cell-mediated immune responses.

In conclusion, when the influenza virus enters an epithelial cell, the infected cell responds by posting antigens and acting as a flag for cytotoxic T cells.

Learn more about cell mediated responses here:

brainly.com/question/24378503

#SPJ1

8 0
2 years ago
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