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Mitochondria have their own DNA. What might that mean about their origin in our cells?

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They are alien implants.
They were individual organisms that were assimilated into a larger cell
They below to another organism.
They were individual organisms that assimilated a smaller cell into them.
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User Ltsstar
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2 Answers

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Answer:

They were individual organisms that were assimilated into a larger cell.

Step-by-step explanation:

It's how simple cells became complex cells. Also, the cell and the mitochondria share a symbiotic relationship: the cell provides a safe space for the mitochondria to live, and the mitochondria provide energy to the cell in the form of ATP.

User ZagNut
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5 votes

Answer:

Mitochondria are structures within cells that convert the energy from food into a form that cells can use. Mitochondrial DNA contains 37 genes, all of which are essential for normal mitochondrial function. Thirteen of these genes provide instructions for making enzymes involved in oxidative phosphorylation.

Step-by-step explanation:

User Lostlemon
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