Question

Which of the following is true for a plasmid
(A) Contains an origin of replication
(B) Imparts a useful characteristic to the host bacterium
(C) Possesses one or more genes
(D) Replicates only when the host genome is undergoing replication​

Answer 1

(C) possesses one or more genes.

DEFINITION

plasmid is a small, circular, double-stranded DNA molecule that is distinct from a cell's chromosomal DNA. Scientists have taken advantage of plasmids to use them as tools to clone, transfer, and manipulate genes. ... Plasmids that are used experimentally for these purposes are called vectors