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

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

Biotechnology : Principles and Processes

Solution:

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 bombarded into target at a very high velocity.