TLS Online TPP Program

#Question id: 18845


The action of EDTA in EDTA-lysozyme treatment in bacterial DNA extraction is

#Part-A Aptitude & General Biotechnology
  1. removes Mg+ ions essential for maintenance of bacterial cell wall structure 
  2. inhibits degradation of DNA by cellular enzymes 
  3. removes outer lipopolysaccharide layer of Gram negative bacteria 
  4. all of these