which dna-containing component of other living cells is missing from bacteria?

The DNA-containing component of other living cells that is missing from bacteria is the nucleus. Bacteria are prokaryotic cells, which means they lack a true nucleus. Their DNA is not enclosed within a membrane-bound nucleus but is instead found loose in the cytoplasm, typically arranged in a single circular chromosome known as the nucleoid. This contrasts with eukaryotic cells, which have a well-defined nucleus housing their DNA.