Identify the correct statement.

Easy

A

Transcription and translation can never take place in mitochondria.
B

Each mitochondrion is a single membrane-bound structure.
C

The matrix of mitochondrion contains single, naked circular double stranded DNA, all three types of RNA, 70s ribosomes and respiratory enzymes.
D

Mitochondria is an autonomous cell organelle found only in autotrophic organism.

Solution

The matrix of mitochondrion contains single, naked circular double stranded DNA, all three types of RNA, 70s ribosomes and respiratory enzymes. They are semi-autonomous cell organelles and are capable of self-duplication.Both transcription and translation take place in mitochondria.
Each mitochondrion is a double membrane-bound structure with the outer membrane and the inner membrane dividing its lumen distinctly into two aqueous compartments, i.e., the outer compartment and the inner compartment.Mitochondria is a semi-autonomous cell organelle found all eukaryotic organisms.

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