Which of the following is an event that would trigger external cell cycle regulators

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

Which part of the cell is affected by the movement of molecules through diffusion, osmosis and active transport?

What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water