Consider the following statements:
| I: | Ori is responsible for the copy number of the linked DNA. |
| II: | Transformation is a 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 |