- Prokaryotic cells of bacteria have an outer cell wall that surrounds the plasma membrane, which in turn surrounds a non-compartmentalised cytoplasm dotted with ribosomes.
- They generally lack membrane-enclosed organelles such as nucleus,chloropasts and mitochondria.
- A circular strand of DNA,usually coiled into one region of the cell, the nucleoid, serves as a single chromosome.
- Metabolic activities , such as electron transport and photosynthesis, take place on the plasma membrane , which sometimes folds inwards into the cell’s interior.
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