Which of these cell organelles have double membranes?
A
Mitochondria
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B
Chloroplast
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C
Nucleus
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D
All of the above
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Solution
The correct option is D All of the above Mitochondria are organelles in cells of eukaryotes. They are double-membraned and the inner membrane forms numerous folds called cristae which extend into the matrix.
The nucleus is surrounded by a nuclear envelope which is double-membraned structure and consists of an outer membrane and an inner membrane that are perforated to allow entry of components into the nucleus.
Chloroplasts are organelles present in plants. They are double-membraned and the inner membrane shows the presence of thylakoids.