Elution is:
| 1. | separating the restricted DNA fragments on agarose gel |
| 2. | staining the separated DNA fragments with ethidium bromide |
| 3. | cutting out of the separated bands of DNA from the agarose gel and extracting them from the gel piece |
| 4. | constructing rDNA by joining the purified DNA fragments to the cloning vector |
Agrobacterium tumefaciens can be an effective vector for delivering genes of interest into the cells of:
| 1. | wheat | 2. | soybean |
| 3. | rice | 4. | barley |