Question

Circular DNA molecule occurs in
(a) Viruses
(B)Bacteria, chloroplasts and mitochondria
(c) Bacteria and chloroplasts only
(d) Bacteria only
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Answer 1

Answer:

Circular DNA molecules also occur in mitochondria, which are present in almost all eukaryotic cells, and in chloroplasts, which are present in plants and some unicellular eukaryotes. Each of the two strands in a circular DNA molecule forms a closed structure without free ends.

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Answer 2

Answer:

B bacteria, chloroplast, and mitochondria

Explanation:

in all three the DNA occurs in circular form known as plasmids.