Yeast episomal plasmids have the following feature?
(a) They contain ARS and CEL both
(b) They contain ARS but not CEL
(c) They contain CEL but not ARS
(d) CEL is necessarily present but ARS may or may not be present
I have been asked this question in an interview for job.
This question is from Markers topic in section Using Other Organisms of Genetic Engineering