Mitochondria

ID #2134

In the lecture notes, it states that the human mitochondrial genome codes for two rRNA genes, one of which was the 16S rRNA. I think 16S was also one of the rRNAs in one of the subunits in a bacterial ribosome. Is this an example of how mitochondria and bacteria have many things in common?


Well, the answer to your first question is "yes and no." Yes it's true that bacteria have a 16S piece of rRNA in their subunits, but recall that it is the lone piece of rRNA in a small subunit. In the case of a current mitochondrial genome, the 16S is the larger of the two rRNA molecules (one each in the large and small subunits), and would be found in the mitochondrial large subunit.

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