a. | They float freely in the cytoplasm of certain bacterial cells. |
b. | They have the ability to replicate, independent of the genomic DNA. |
c. | Herbert Boyer developed a method of removing and reinserting them in the cells. |
d. | They are circular ssDNA molecules. |
Column I | Column II | ||
a. | Restriction endonuclease | (i) | Hind II |
b. | First recombinant DNA | (ii) | Obtained from strain RY13 |
c. | First restriction endonuclease | (iii) | Isolated in 1963 |
d. | EcoRI | (iv) | Developed in 1972 |
Assertion (A): | In vitro fertilisation, leading to a 'test-tube' baby, is included under the umbrella of biotechnology |
Reason (R): | The definition of biotechnology, given by EFB encompasses only modern molecular biotechnology view |
1. | (A) is true but (R) is false |
2. | (A) is false but (R) is true |
3. | Both (A) and (R) are true and (R) is the correct explanation of (A) |
4. | Both (A) and (R) are true but (R) is the not the correct explanation of (A) |