Identify the desirable characteristics for a plasmid used in rDNA technology from the following.
A. Ability to multiply and express outside the host in a bioreactor.
B. A highly active promoter
C. A site at which replication can be initiated
D. One or more identifiable marker genes
E. One or more unique restriction sites
1
A, C, D and E only
2
A, C and E only
3
B, C, D and E only
4
B, C and E only