Which of the following organisms are prokaryo | vedclass

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(D) Prokaryotic cells are characterized by the absence of a membrane-bound nucleus and membrane-bound organelles.$PPLO$ (Pleuro Pneumonia-Like Organis

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All of the above

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(D) Prokaryotic cells are characterized by the absence of a membrane-bound nucleus and membrane-bound organelles.$PPLO$ (Pleuro Pneumonia-Like Organisms) are the smallest known living cells and are prokaryotic.Blue-green algae (Cyanobacteria) are photosynthetic prokaryotes.Mycoplasma are bacteria that lack a cell wall and are also prokaryotic.Since all the given options represent unicellular prokaryotic organisms,the correct answer is $D$.

Column-$I$	Column-$II$
$(A)$ Halophiles	$(I)$ Gram-negative bacteria
$(B)$ Thermoacidophiles	$(II)$ Inhabit extremely salty areas
$(C)$ Spirochaetes	$(III)$ Responsible for methane production
$(D)$ Firmicutes	$(IV)$ Survive in acidic and high-temperature conditions
	$(V)$ Gram-positive bacteria

Which of the following organisms are prokaryotic and unicellular?

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