In biolistic method of gene trasfer, the microparticles coated with foreign DNA are bombarded into target cells at a very high velocity. These microparticles are made up of

Options

A. silver or tungsten
B. arsenic or silver
C. gold or tungsten
D. none of these

Answer

C

Explanation

Biolistic method or gene gun method is a direct or vectorless method of introducing DNA into cells that involves bombardment of cells with high-velocity microprojectiles coated with DNA. In biolistic method, tungsten or gold particles, coated with foreign DNA are bombared into target at a very high velocity.