Principles of Biotechnology — Prelims Questions

Which of the following is NOT a necessary component of a cloning vector?

Which enzyme is responsible for joining the foreign DNA fragment to the vector DNA?

Which of the following statements about restriction enzymes is INCORRECT?

In bioprocess engineering, the primary reason for maintaining sterile conditions in bioreactors is to:

Which of the following methods is NOT typically used to make a bacterial host cell competent for transformation?

The first recombinant DNA molecule was constructed by Stanley Cohen and Herbert Boyer in 1972 by combining a plasmid from *Salmonella typhimurium* with a gene encoding resistance to which antibiotic?