Which feature allows plasmids to be used as vectors in genetic engineering?

Practice question

Question

Choose one · Correct answer highlighted

They are single-stranded They integrate into the host genome They replicate independently Correct They always carry antibiotic resistance genes

Plasmids are widely used as vectors because they replicate independently of the host chromosome, allowing gene cloning.

Share this question

Related blogs

Guides and insights connected to this topic

Virology 25 Jan 2026

Coronavirus Overview Coronaviruses (CoVs) are enveloped viruses (surrounded by a lipid membrane derived from host cells), belonging to the s...

Virology 25 Jan 2026

Structure of Coronavirus Coronaviruses (enveloped RNA viruses) fall in the virus family Coronaviridae, order Nidovirales. They are enveloped...

Virology 25 Jan 2026

Cucumber Mosaic Virus (CMV): Introduction and Importance Cucumber Mosaic Virus (CMV) (plant-infecting RNA virus) is one of the most economic...