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ivanzaharov [21]
3 years ago
13

The ____ can be described as the basic unit of life. atom neutron cell nucleus

Biology
1 answer:
AnnyKZ [126]3 years ago
8 0
A. atom

atoms are described to be the basic unit of a chemical element.
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In sickle-cell disease, variation in one gene causes red blood cells to bend, or sickle. This means the sickled cells _____.
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A case study of the effects of mutation: Sickle cell anemia. Sickle cell anemia is a genetic disease with severe symptoms, including pain and anemia. The disease is caused by a mutated version of the gene that helps make hemoglobin — a protein that carries oxygen in red blood cells.

Explanation:

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Im being ignored help Which of the following is NOT related to a cell's surface area to volume ratio?
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What are the mechanisms by which aneuploidy and polyploidy are caused? What are the mechanisms by which aneuploidy and polyploid
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The correct answer is:

The principal cause of aneuploidy is chromosome nondisjunction during mitosis or meiosis. Polyploidy in nature can result either from the duplication of euploid chromosome sets from a single species or from the combining of chromosome sets from different species.  

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