Which Portion of the Lambda Phage Can Be Excised and Used

Multiple Choice

Which portion of the lambda phage can be excised and used for the insertion of foreign DNA?

A) The external portions required for lytic growth
B) The central portion required for lysogenic growth
C) The external portions required for lysogenic growth
D) The central portion required for lytic growth
E) No part can be excised, but extra DNA can be added in