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Ugo [173]
3 years ago
5

Name a organism that does most of the Earth’s nitrogen fixation for the nitrogen cycle

Biology
1 answer:
zmey [24]3 years ago
4 0

Carbon fixation only takes place in autotrophs. For example plants, algae, and some bacteria, or organisms that make their own food.

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Ainat [17]

Answer:

3rd one

Explanation:

7 0
3 years ago
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The ___________ propel debris-laden mucus away from lower respiratory system structures.
Aliun [14]

The cilia propel debris-laden mucus away from lower respiratory system structures.

<h3>What is function of mucous membrane?</h3>
  • Another general defense against possible infections is provided by the mucous membranes that line the digestive, urinary, and respiratory tracts, as well as the nose, mouth, and lungs.
  • In order to cover and protect the more delicate cell layers underneath it and to trap waste and particle matter, including microorganisms, mucous membranes are made up of a layer of epithelial cells connected by tight junctions.
  • Because they feature ciliated appendages, which resemble hairs, the epithelial cells lining the upper portions of the respiratory tract are known as ciliated epithelial cells.
  • Mucus that contains debris is forced out and away from the lungs by the cilia's movement. The mucus is then coughed up, sneezed out, or swallowed and destroyed in the stomach. The mucociliary escalator is another name for this route of elimination.

Learn more about the Mucous membrane with the help of the given link:

brainly.com/question/25968581

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8 0
2 years ago
A point mutation that results in the substitution of one amino acid for another within a protein is a ______.
irga5000 [103]
<span>A point mutation that results in the substitution of one amino acid for another within a protein is a missense mutation. 
</span>This type of mutation<span> is a change in one DNA base pair that results in the substitution of one amino acid for another in the protein made by a </span>gene<span>. </span>
5 0
3 years ago
You cant find a nucleus in bacteria you see under a microscope. why
Volgvan
Because they are prokaryotic cells.
6 0
3 years ago
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Suppose that a few individuals of a lizard species are transported on a log that floats from the mainland, where the lizard is a
OverLord2011 [107]

Answer:

genetic drift

Explanation:

Genetic drift is a change in the frequency of an allele within a population over time. There are no environmental influences that cause genetic drift to occur.

8 0
3 years ago
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