The chromosome of a prokaryotic cell has a ring structure, is freely located in the cytoplasm and is not delimited by the nuclear membrane. It is single, it does not have a nucleolus, centromere, secondary constriction and, as a result, characteristic morphological types of structure characteristic of the chromosomes of a eukaryotic cell.
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.