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Question

The circular and double stranded DNA occurs in

A
Golgi body
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B
Mitochondria
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C
Nucleus
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D
Cytoplasm
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Solution

The correct option is A Mitochondria
Eukaryotic cells are characterised by presence of linear chromosomes in the nucleus. The linear chromosomes of eukaryotes have well defined centromere and telomere. Prokaryotes like bacteria are however characterised by the presence of a single circular molecule of DNA. Certain cell organelles, of an eukaryotic cell, like chloroplast and mitochondria have their own DNA. The DNA of these cell organelles is similar to prokaryotic DNA in double stranded circular nature.

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