Today we know more than …….. restriction enzymes that have been isolated from over……..strains
1. 700; 350
2. 900; 230
3. 600; 270
4. 550; 210
Read the following statements
Statement-A : | Restriction enzymes are obtained only from eukaryotes. |
Statement-B : | The first discovered restriction endonuclease was EcoRI. |
Choose the correct option.
1. | Both statements are correct |
2. | Both statements are incorrect |
3. | Statement A is correct but B is incorrect |
4. | Statement B is correct but A is incorrect |
Restriction enzymes are synthesized by:
1. Bacteria only
2. Yeast and bacteria only
3. Eukaryotic cells only
4. All kinds of cells