is mitochondri content DNA?
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Yes mitochondria contains its own DNA.....
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it's an act of evolutionary process which was necessary for the survival of those little prokaryotes.
Mitochondria were once a free-living bacteria and capable of producing energy, yet they struggled to protect themselves. In contrast, the primitive cell could defend itself because of its large size, but lacked abundant energy. At some point in time, this primitive cell consumed a single mitochondrion that was not digested by the primitive cell. It was cellular-love at first site..!! The cell protected the mitochondrion, and the mitochondrion provided energy for the cell. The mitochondrion and cell entered into an endosymbiotic relationship (Symbiotic or mutualistic relationship). Endosymbiosis is essentially when one organism lives inside of another. Since this initial joining, mitochondria have become a critical organelle of the cell, and without each other, neither would survive.
But in the process, the mitochondria took a beating. Most of their DNA is now found in the nucleus of the host cell (although different species have mitochondria with differing amounts of DNA). The mitochondria can no longer live on its own -- it is a hollow shell of what it once was.
Mitochondria were once a free-living bacteria and capable of producing energy, yet they struggled to protect themselves. In contrast, the primitive cell could defend itself because of its large size, but lacked abundant energy. At some point in time, this primitive cell consumed a single mitochondrion that was not digested by the primitive cell. It was cellular-love at first site..!! The cell protected the mitochondrion, and the mitochondrion provided energy for the cell. The mitochondrion and cell entered into an endosymbiotic relationship (Symbiotic or mutualistic relationship). Endosymbiosis is essentially when one organism lives inside of another. Since this initial joining, mitochondria have become a critical organelle of the cell, and without each other, neither would survive.
But in the process, the mitochondria took a beating. Most of their DNA is now found in the nucleus of the host cell (although different species have mitochondria with differing amounts of DNA). The mitochondria can no longer live on its own -- it is a hollow shell of what it once was.
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