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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
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TLS Online TPP Program

#Question id: 19056

#Part-A Aptitude & General Biotechnology

The stationary phase in thin layer chromatography is
TLS Online TPP Program

#Question id: 19057

#Part-A Aptitude & General Biotechnology

Which of the statements is correct about Gas chromatography?
TLS Online TPP Program

#Question id: 19058

#Part-A Aptitude & General Biotechnology

Which of the following gases is unsuitable for use as a GC carrier gas?
TLS Online TPP Program

#Question id: 19059

#Part-A Aptitude & General Biotechnology

Which of the following is not used for detection in GC?
TLS Online TPP Program

#Question id: 19149

#Part-A Aptitude & General Biotechnology

The GC trace obtained after an experiment is called a
TLS Online TPP Program

#Question id: 19150

#Part-A Aptitude & General Biotechnology

What useful information can be found from a Van Deemter plot?