Q.19 Which of the following is the correct sequence of PCR?
A) Heating Cooling Add Primer Copying of strand
B) Heating Add Primer Cooling Copying of strand
C) Add Primer Heating Cooling Copying of strand
D) Cooling Add Primer Heating Copying of strand
Q.21 In cystic fibrosis, liposomes-microscopic vesicles are sued which are coated with:
A) Healthy Gene C) Protein
B) Chromosome D) Carbohydrate
Q.22 The DNA formed by the reverse transcription is called:
A) rDNA C) cDNA
B) dDNA D) DNA
Q.23 Bacterial cells take up recombinant plasmids when they are treated with:
A) CaCl2 C) KCl
B) NaCl D) NaOH