MEDizzy
MEDizzy
USMLE
Basic Medicine - Set 42
The particle gun method consists of which of the following steps?
Explanation
ExplanationThe DNA of interest is adsorbed on the microprojectile beads and these are made of gold and tungsten often. The explosion in the gun propels a macroprojectile forward and in turn propels microprojectile beads. These microprojectile beads cross the perforated plate but macroprojectiles don’t. The target tissue is behind the perforated plate and the microprojectiles hit it.
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