Plasmids of the same compatibility group

Plasmids of the same compatibility group
A.  use the same addiction system.
B.  require each other’s presence for replication.
C.  have large sections of homology.
D.  must be found in the same cell or the cell cannot survive.
E.  cannot coexist because they are treated as having two origins and are partitioned.


Which of the following is not a function of homologous recombination?
A.  ensuring chromosome segregation
B.  integrating phage genomes into bacterial chromosomes
C.  in mitosis, restarting replication that has stalled at lesions
D.  generating genetic diversity
E.  in mitosis, repairing lesions at replication forks


The stage of the first meiotic prophase at which the synaptonemal complex extends along the length of the two synapsed chromosomes is
A.  leptotene.
B.  zygotene.
C.  pachytene.
D.  diplotene.
E.  diakinesis.