1 Only 41% of adults in the U.S. with a mental health condition received mental health services in the past year. 2  Among adults with a serious mental illness, 62.9% received mental health services in the past year. 3  8. 4  Just over half (50.6%) of children aged 8-15 received mental health services in the previous year. 12.
Nucleoid: DNA in the bacterial cell is generally confined to this central region. Though it isn't bounded by a membrane, it is visibly distinct (by transmission microscopy) from the rest of the cell interior.
Bacterial cells also contain separate, circular pieces of DNA called plasmids. Bacteria lack membrane-bound organelles, specialized cellular structures that are designed to execute a range of cellular functions from energy production to the transport of proteins.