Question

One of the following pairs is incorrect

• A. Plasmid – small piece of extrachromosomal DNA in bacteria
• B. Interferon – an enzyme that interferes with DNA replication
• C. Cosmid – a vector for carrying large DNA fragments into host cells.
• D. Myeloma – antibody producing tumor cells.

Answer 1

The correct option is B

Interferon – an enzyme that interferes with DNA replication

Interferons are a large subgroup of proteins that help regulate the activity of the immune system.