Column I | Column II | ||
a. | Salmonella typhimurium | (i) | Source of EcoRI |
b. | Bacillus thuringiensis | (ii) | Used in developing transgenic tobacco plant |
c. | Agrobacterium tumefaciens |
(iii) | Used in creating first recombinant DNA |
d. | Escherichia coli | (iv) | Gene used in creating biopesticide |
Statement (A): | DNA cannot pass through cell membranes as it is a hydrophobic molecule. |
Statement (B): | Treatment with Ca2+ ions increases the efficiency with which DNA enters into the bacterium. |
List I | List II | ||
(a) | Gene gun | (i) | Replacement of a faulty gene by a normal healthy gene |
(b) | Gene therapy | (ii) | Used for transfer of gene |
(c) | Gene cloning | (iii) | Total DNA in the cells of an organism |
(d) | Genome | (iv) | To obtain identical copies of a particular DNA molecule |
(a) | (b) | (c) | (d) | |
1. | (ii) | (i) | (iv) | (iii) |
2. | (i) | (iii) | (ii) | (iv) |
3. | (iv) | (i) | (iii) | (ii) |
4. | (ii) | (iii) | (iv) | (i) |
Consider the following statements:
I. | Ori is responsible for copy number of the linked DNA. |
II. | Transformation is the process through which a piece of DNA is introduced into a host bacterium. |
III. | Bacteriophages have very high copy numbers of their genome within the bacterial cell. |
Which of the above statements are true?
1. I and II only
2. I and III only
3. II and III only
4. I, II and III