11. A molecule that consists of a piece of DNA from one organism, combined with the DNA from a member of another species is called
12. Which gene transfer technique involves the use of a fatty bubble to carry a gene into a somatic cell?
13. Identify the correct statements for the 'HAT medium'.
P. Includes drug aminopterin to block major pathway for synthesis of deoxyribonucleotides.
Q. Hypoxanthine is precursor for thymidine.
R. Includes drug aminopterin to block major pathway for synthesis of polypeptides.
S. Cells can grow in presence of aminopterin only if they have enzymes thymidine kinase and hypoxanthine-guanine phosphoribosyl transferase.
P. Includes drug aminopterin to block major pathway for synthesis of deoxyribonucleotides.
Q. Hypoxanthine is precursor for thymidine.
R. Includes drug aminopterin to block major pathway for synthesis of polypeptides.
S. Cells can grow in presence of aminopterin only if they have enzymes thymidine kinase and hypoxanthine-guanine phosphoribosyl transferase.