When you look around, you see both living and non-living things. You must have wondered and asked yourself – 'what is it that makes an organism living, or what is it that an inanimate thing does not have which a living thing has'? The answer to this is the presence of the basic unit of life – the cell in all living organisms.
A scientist isolates a new unicellular organism that survives independently in freshwater and shows the presence of naked DNA without a nuclear membrane, but also demonstrates mesosome-like structures for respiration. Which combination of cell theory and cellular features best explains this organism?
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