Historic Downtown Bridgeport. In 2006 Bridgeport was named a Texas Main Street City and has been recognized as a National Main Street City since 2007. This prestigious recognition shows that the City and its residents are committed to preserving our historic business district, both architecturally and economically.
The cell nucleus contains the majority of the cell's genetic material in the form of multiple linear DNA molecules organized into structures called chromosomes. Each human cell contains roughly two meters of DNA.
The cell nucleus contains the majority of the cell's genetic material in the form of multiple linear DNA molecules organized into structures called chromosomes. Each human cell contains roughly two meters of DNA.he nucleolus is a discrete densely stained structure found in the nucleus. It is not surrounded by a membrane, and is sometimes called a suborganelle. It forms around tandem repeats of rDNA, DNA coding for ribosomal RNA (rRNA).