Question

Mitochondria is a small semi-autonomous body. Explain

Answer 1

Mitochondria have their own DNA which can replicate independently. The mitochondrial DNA produces its own mRNA, tRNA and rRNA.The organelles posses their own ribosomes, called mitoribosomes.Mitochondria synthesize some of their own structural proteins. However, most of the mitochondrial proteins are synthesized under instructions from cell nucleus.The organelles synthesize some of the enzymes required for their functioning. e.g. succinate dehydrogenase.They show hypertrophy .i.e. internal growth.
However, both their structure and functioning are controlled by the nucleus of the cell and availability of materials from the cytoplasm. Hence, they are termed as the 'semi-autonomous' cell organelles.

Answer 2

Answer:

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Explanation:

Mitochondria are regarded as semi-autonomous organelle please due to the presence of DNA (deoxyribonucleic acid), that can replicate independently and synthesize their proteins with ribosomes. ... The mitochondrial DNA produces mRNA, tRNA, and rRNA on its own which is translated into proteins by the mitoribosomes.