Which one is common among nucleus, chloroplast and mitochondria?
A
Cristae
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B
Nucleic acids
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C
Thylakoids
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D
Carbohydrate metabolism
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Solution
The correct option is B Nucleic acids
Both mitochondria and chloroplasts have descended from specialized bacteria therefore, they have a membrane similar to bacteria and possess their own nucleic acids (DNA and RNA).
Nucleus consists of chromosome which is a thread-like structure which consists of DNA molecule coiled around histone proteins.