Which structures are common to both prokaryotic and eukaryotic cells

Ayoung boy has been found and police are trying to locate his family they take a dna sample from him and begin collec dna samples from families who have missing children if police use dna samples only from the fathers, which type of dn technology can they use to identify the boy's parent? y-chromosome analysis omtdna (mitochondrial dna) analysis vntrs (variable tandem repeats) o pcr (polymerase chain reaction) analysis

Someone me with this: a mineral' is determined by its actomic structure.

What is usually (but not always) related to the metabolic processes of living organisms in its organic form?