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Human mitochondrial DNA encodes for _________

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Human mitochondrial DNA encodes for _________

(a) 21 tRNAs

(b) 31 tRNAs

(c) 22 tRNA

(d) 24 tRNAs

I have been asked this question during an interview.

This intriguing question comes from Mitochondrial Structure and Function in portion Mitochondrial Structure and Function of Cell Biology

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Right option is (c) 22 tRNA

The best I can explain: The mitochondria possess their own genetic material and the machinery to manufacture their own RNAs and proteins. In humans, the mitochondrial DNA encodes for 2 ribosomal RNAs (rRNAs) and also 22 transfer RNAs (tRNAs) that are used in protein synthesis within the organelle.

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