The area that is today the center of Allentown was laid out as Northampton Town in 1762 by William Allen, a wealthy shipping merchant, former mayor of the city of Philadelphia and then-Chief Justice of the Province of Pennsylvania.
Mitochondria and Chloroplasts are known to have their own DNA and make their own proteins. According to endosymbiosis theory, these organelles were known to have moved into eukaryotic cell in the form of vesicles when they came into contact with prokaryotes. :) Views.
In eukaryotic cells, mitochondria and chloroplasts a â¦ lso contain DNA, which performs replication and transcription inside these organelles. In prokaryotic cells there is no nucleus. The DNA is in a region of the cytoplasm called the nucleoid, and that is where DNA replication and transcription occur in these cells.