Why is the cell membrane called a fluid mosaic?

Nitrofurantoin used during the fifth week of pregnancy places the neonate at risk for which condition?

How does the study of genetic disorders such as pku biologists understand normal alleles?

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