40 points
why is methyl blue added to a slide? Observe a cheek cell preparation where cheek cells were exposed to methyl blue

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

Hurry where is the majority of earth's water found? o glaciers o oceans ground o rivers and lakes

What would happen if the tubing with the yellow band was placed in a beaker of distilled water?