BIO NMDCAT Cytoplasmic Organelles

nmdcat.online July 4, 2026

58. The unique characteristic that defines mitochondria as semi-autonomous organelles within eukaryotic cells is the presence of

A. A single lipid outer covering

B. Their own circular DNA and 70S ribosomes

✓

C. An internal network of cisternae

D. Crystalline protein storage bodies

📝 Explanation

Mitochondria possess independent circular DNA genomes and bacterial-like 70S ribosomes, allowing independent transcription and translation of select proteins.

📖 Additional Information

A single lipid outer covering
Their own circular DNA and 70S ribosomes
An internal network of cisternae
Crystalline protein storage bodies

Mitochondria possess independent circular DNA genomes and bacterial-like 70S ribosomes, allowing independent transcription and translation of select proteins.

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