An extremely large lactose source is encountered by an E. coli cell in the lumen of the small intestine of a human who just ate an entire carton of ice cream. Which of the following would most likely be a contributor to why the E. coli does not metabolize any of the lactose?

TLS Online TPP Program

#Question id: 18918

#Unit 13. Methods in Biology

Recognition Sequences for Some Type II Restriction Endonucleases 

Match them correctly

TLS Online TPP Program

#Question id: 18919

#Unit 13. Methods in Biology

What are REP1 and REP2 genes in the plasmid used for?

TLS Online TPP Program

#Question id: 18920

#Unit 13. Methods in Biology

Which selection system is used in a yeast plasmid recombinant?

TLS Online TPP Program

#Question id: 18921

#Unit 13. Methods in Biology

What is an auxotrophic mutant?

TLS Online TPP Program

#Question id: 18922

#Unit 13. Methods in Biology

For which of the following plasmids purification of a recombinant molecule from the transformed cell can be difficult?

TLS Online TPP Program

#Question id: 18923

#Unit 13. Methods in Biology

lacZ' gene present in a Puc series plasmid codes for which of the enzyme?