Heat Shock

Q. The following figure shows the direction of migration of DNA under the applied electric field. Which of the following statement(s) is/are correct about A and B?


I. B is anode and A is cathode
II. B is cathode and A is anode
III. A is positive terminal and B is negative terminal
IV. A is negative terminal and B is positive terminal

1. I and III
2. I and IV
3. II and III
4. II and IV

Q. Significance of heat shock method in bacterial transformation is to facilitate

1. binding of DNA to the cell wall
2. uptake of DNA through membrane transport proteins
3. uptake of DNA through transient pores in the bacterial cell wall
4. expression of antibiotic resistance gene