Question

…..A…. can transform normal animal cells into cancerous cells while…..B….. can transfer the normal plant cells into tumor.

		A		B

• A. | | pBR322 | | Retroviruses | |
• B. | | Retroviruses | | Ti plasmid | |
• C. | | Restriction enzymes | | Ti plasmids | |
• D. | | Restriction enzymes | | pBR322 | |