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White raven [17]
3 years ago
11

Describe the microscopic structures you would expect to see in the lungs.

Biology
1 answer:
Sati [7]3 years ago
5 0

Answer:

Alveoli

Explain:

They are the workhorses of your respiratory system. You have about 480 million alveoli, located at the end of bronchial tubes. When you breathe in, the alveoli expand to take in oxygen. When you breathe out, the alveoli shrink to expel carbon dioxide.

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Answer:

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Explanation:

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2 years ago
What is the definition of epistasis?
ollegr [7]

The definition of Epistasis in gene biology is Choice D: when the allele of one gene masks the phenotype of another gene

Definition:

When the phenotypic effect of alleles at one gene are masked by alleles of another gene.

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brainly.com/question/24167831

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Why do biologists believe that a primitive choanoflagellate protist is the ancestor to all animals
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